./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/bor5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/bor5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:05:40,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:05:40,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:05:40,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:05:40,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:05:40,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:05:40,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:05:40,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:05:40,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:05:40,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:05:40,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:05:40,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:05:40,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:05:40,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:05:40,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:05:40,582 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:05:40,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:05:40,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:05:40,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:05:40,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:05:40,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:05:40,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:05:40,582 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:05:40,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:05:40,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 [2024-12-06 02:05:40,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:05:40,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:05:40,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:05:40,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:05:40,850 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:05:40,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-crafted/bor5.i [2024-12-06 02:05:43,565 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/data/311c75676/a6a821a90ea54cc4ae6eafddca24bc1e/FLAG4294dd8af [2024-12-06 02:05:43,776 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:05:43,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/sv-benchmarks/c/array-crafted/bor5.i [2024-12-06 02:05:43,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/data/311c75676/a6a821a90ea54cc4ae6eafddca24bc1e/FLAG4294dd8af [2024-12-06 02:05:43,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/data/311c75676/a6a821a90ea54cc4ae6eafddca24bc1e [2024-12-06 02:05:43,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:05:43,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:05:43,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:05:43,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:05:43,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:05:43,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:05:43" (1/1) ... [2024-12-06 02:05:43,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e0599a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:43, skipping insertion in model container [2024-12-06 02:05:43,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:05:43" (1/1) ... [2024-12-06 02:05:43,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:05:43,993 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/sv-benchmarks/c/array-crafted/bor5.i[1364,1377] [2024-12-06 02:05:43,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:05:44,006 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:05:44,027 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/sv-benchmarks/c/array-crafted/bor5.i[1364,1377] [2024-12-06 02:05:44,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:05:44,044 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:05:44,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44 WrapperNode [2024-12-06 02:05:44,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:05:44,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:05:44,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:05:44,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:05:44,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,078 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2024-12-06 02:05:44,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:05:44,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:05:44,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:05:44,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:05:44,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:05:44,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:05:44,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:05:44,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:05:44,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:05:44,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:05:44,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:05:44,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:05:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:05:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure bor [2024-12-06 02:05:44,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bor [2024-12-06 02:05:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:05:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:05:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:05:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:05:44,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:05:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:05:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:05:44,232 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:05:44,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:05:44,415 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 02:05:44,415 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:05:44,483 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:05:44,483 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 02:05:44,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:44 BoogieIcfgContainer [2024-12-06 02:05:44,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:05:44,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:05:44,485 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:05:44,493 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:05:44,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:44" (1/1) ... [2024-12-06 02:05:44,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:05:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 02:05:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 02:05:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:05:44,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:44,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:05:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-06 02:05:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 02:05:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:05:44,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:44,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:05:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 32 transitions. [2024-12-06 02:05:45,176 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 02:05:45,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:05:45,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:45,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:05:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 31 transitions. [2024-12-06 02:05:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 02:05:45,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:05:45,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:45,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:05:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 33 transitions. [2024-12-06 02:05:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-12-06 02:05:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:05:45,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:45,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:05:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 32 transitions. [2024-12-06 02:05:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 02:05:46,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 02:05:46,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:46,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 02:05:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 33 transitions. [2024-12-06 02:05:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 02:05:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:05:46,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:46,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:05:46,602 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:05:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:05:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:05:46,883 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:05:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:05:46,942 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-12-06 02:05:46,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:05:46 ImpRootNode [2024-12-06 02:05:46,975 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:05:46,976 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:05:46,976 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:05:46,976 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:05:46,977 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:44" (3/4) ... [2024-12-06 02:05:46,979 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:05:46,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:05:46,981 INFO L158 Benchmark]: Toolchain (without parser) took 3174.71ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 81.5MB in the end (delta: 36.8MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-12-06 02:05:46,981 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:46,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.54ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 106.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:05:46,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.21ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:46,982 INFO L158 Benchmark]: Boogie Preprocessor took 25.02ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.3MB in the end (delta: 991.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:46,982 INFO L158 Benchmark]: RCFGBuilder took 379.63ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 86.7MB in the end (delta: 17.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:05:46,983 INFO L158 Benchmark]: CodeCheck took 2490.56ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 82.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:46,983 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:46,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 331 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 178 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 902 GetRequests, 715 SyntacticMatches, 169 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 83/90 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 57]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 25. Possible FailurePath: [L17] int N; [L32] N = __VERIFIER_nondet_int() [L33] COND TRUE N > 1 [L34] int x[N]; [L35] int temp; [L36] int ret; [L37] int ret2; [L38] int ret5; [L40] int i = 0; VAL [N=2, i=0, x={9329:0}] [L40] COND TRUE i < N [L42] x[i] = __VERIFIER_nondet_int() [L40] i++ VAL [N=2, i=1, x={9329:0}] [L40] COND TRUE i < N [L42] x[i] = __VERIFIER_nondet_int() [L40] i++ VAL [N=2, i=2, x={9329:0}] [L40] COND FALSE !(i < N) [L45] CALL, EXPR bor(x) VAL [N=2, \old(x)={9329:0}] [L21] int i; [L22] long long res; [L23] EXPR x[0] [L23] res = x[0] [L24] i = 1 VAL [N=2, \old(x)={9329:0}, i=1, res=29463, x={9329:0}] [L24] COND TRUE i < N [L25] EXPR x[i] [L25] EXPR res | x[i] [L25] res = res | x[i] [L24] i++ VAL [N=2, \old(x)={9329:0}, i=2, res=-2147477386, x={9329:0}] [L24] COND FALSE !(i < N) [L27] return res; [L45] RET, EXPR bor(x) VAL [N=2, x={9329:0}] [L45] ret = bor(x) [L47] EXPR x[0] [L47] temp=x[0] [L47] EXPR x[1] [L47] x[0] = x[1] [L47] x[1] = temp VAL [N=2, ret=-2147477386, x={9329:0}] [L48] CALL, EXPR bor(x) VAL [N=2, \old(x)={9329:0}] [L21] int i; [L22] long long res; [L23] EXPR x[0] [L23] res = x[0] [L24] i = 1 VAL [N=2, \old(x)={9329:0}, i=1, res=-2147477387, x={9329:0}] [L24] COND TRUE i < N [L25] EXPR x[i] [L25] EXPR res | x[i] [L25] res = res | x[i] [L24] i++ VAL [N=2, \old(x)={9329:0}, i=2, res=-2147477387, x={9329:0}] [L24] COND FALSE !(i < N) [L27] return res; [L48] RET, EXPR bor(x) VAL [N=2, ret=-2147477386, x={9329:0}] [L48] ret2 = bor(x) [L49] EXPR x[0] [L49] temp=x[0] [L50] int i =0 ; VAL [N=2, i=0, ret2=-2147477387, ret=-2147477386, temp=-2147477387, x={9329:0}] [L50] COND TRUE i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 [2024-12-06 02:05:49,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:05:49,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:05:49,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:05:49,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:05:49,508 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:05:49,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-crafted/bor5.i [2024-12-06 02:05:52,260 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/data/48b9ff487/2a1200bc79904222a97eba55558f941a/FLAGcd06fc302 [2024-12-06 02:05:52,436 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:05:52,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/sv-benchmarks/c/array-crafted/bor5.i [2024-12-06 02:05:52,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/data/48b9ff487/2a1200bc79904222a97eba55558f941a/FLAGcd06fc302 [2024-12-06 02:05:52,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/data/48b9ff487/2a1200bc79904222a97eba55558f941a [2024-12-06 02:05:52,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:05:52,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:05:52,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:05:52,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:05:52,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:05:52,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4cb437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52, skipping insertion in model container [2024-12-06 02:05:52,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:05:52,666 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/sv-benchmarks/c/array-crafted/bor5.i[1364,1377] [2024-12-06 02:05:52,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:05:52,681 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:05:52,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/sv-benchmarks/c/array-crafted/bor5.i[1364,1377] [2024-12-06 02:05:52,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:05:52,722 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:05:52,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52 WrapperNode [2024-12-06 02:05:52,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:05:52,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:05:52,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:05:52,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:05:52,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,760 INFO L138 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-12-06 02:05:52,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:05:52,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:05:52,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:05:52,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:05:52,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,779 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:05:52,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:05:52,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:05:52,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:05:52,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:52" (1/1) ... [2024-12-06 02:05:52,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:05:52,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:05:52,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:05:52,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:05:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:05:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure bor [2024-12-06 02:05:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bor [2024-12-06 02:05:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:05:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:05:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:05:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:05:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:05:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:05:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:05:52,942 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:05:52,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:05:53,129 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 02:05:53,129 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:05:53,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:05:53,174 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 02:05:53,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:53 BoogieIcfgContainer [2024-12-06 02:05:53,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:05:53,176 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:05:53,176 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:05:53,188 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:05:53,188 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:53" (1/1) ... [2024-12-06 02:05:53,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:05:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:53,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 02:05:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 02:05:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:05:53,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:53,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:53,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:53,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:53,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:05:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:53,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:53,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:05:53,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:05:53,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:05:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-06 02:05:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 02:05:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:05:53,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:53,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:53,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:53,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:53,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:05:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:53,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:53,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:05:53,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:05:53,750 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-12-06 02:05:53,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:05:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 31 transitions. [2024-12-06 02:05:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 02:05:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:05:53,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:53,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:53,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:53,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:53,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:05:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:54,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:54,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:05:54,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:05:54,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:05:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 33 transitions. [2024-12-06 02:05:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 02:05:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:05:54,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:54,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:54,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:54,212 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:54,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:05:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:54,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:54,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:05:54,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 02:05:54,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:05:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 02:05:54,477 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 02:05:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:05:54,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:54,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:54,480 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:05:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:54,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:54,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:05:54,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 02:05:54,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:05:54,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 02:05:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 02:05:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 02:05:54,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:54,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:54,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:54,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:54,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:05:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:54,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:54,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:05:54,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:05:55,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:05:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-12-06 02:05:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-12-06 02:05:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:05:55,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:55,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:55,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:55,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:55,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:05:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:55,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:56,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:05:56,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:56,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:05:56,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:05:56,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:05:57,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:05:57,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:05:57,376 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:05:57,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:05:57,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:05:57,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:05:57,880 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:05:57,885 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:05:57,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:05:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:05:58,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:06:09,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:06:14,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:14,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:14,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:14,483 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:14,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:06:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:14,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:15,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:15,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:15,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:15,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:15,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:15,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:15,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:16,015 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:16,021 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:16,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:16,095 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:16,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:16,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:16,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:06:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:16,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:16,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:16,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:16,469 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:16,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:06:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:16,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:16,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:16,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:16,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:17,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:17,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:17,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:17,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:17,339 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:17,345 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:17,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:17,419 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:17,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:17,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:17,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 02:06:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:17,631 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:17,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:17,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:17,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:17,634 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:17,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:06:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:17,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:18,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:18,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:18,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:19,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:19,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:19,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:19,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:19,241 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:19,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:19,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:19,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:19,316 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:19,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:19,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:19,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:06:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:19,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:19,515 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:19,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:19,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:19,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:19,519 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:19,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:06:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:19,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:20,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:20,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:20,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:20,849 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:20,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:20,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:20,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:21,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:21,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:21,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:21,155 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:21,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:21,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:21,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 02:06:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:21,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:21,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:21,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:21,318 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:21,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:06:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:21,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:21,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:21,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:21,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:21,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:21,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:22,092 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:22,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:22,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:22,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:22,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:22,280 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:22,285 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:22,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:22,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 02:06:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:22,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:22,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:22,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:22,449 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:22,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:06:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:22,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:23,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:23,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:23,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:23,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:23,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:23,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:23,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:23,370 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:23,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:23,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:23,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:23,439 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:23,443 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:23,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:23,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 02:06:23,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:23,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:23,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:23,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:23,585 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:23,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:06:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:23,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:24,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:24,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:24,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:24,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:24,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:24,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:24,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:24,329 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:24,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:24,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:24,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:24,390 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:24,394 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:24,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:24,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 02:06:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:24,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:24,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:24,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:24,566 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:24,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 02:06:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:24,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:25,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:25,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:25,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:25,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:25,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:25,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:25,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:25,921 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:25,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:25,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:25,984 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:25,988 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:25,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:26,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 02:06:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:26,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:26,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:26,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:26,161 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:26,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 02:06:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:26,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:26,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:26,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:26,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:26,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:26,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:27,059 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:27,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:27,091 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:27,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:27,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:27,158 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:27,163 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:27,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:27,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 02:06:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:27,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:27,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:27,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:27,315 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:27,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 02:06:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:27,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:28,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:28,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:28,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:28,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:28,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:28,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:28,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:28,546 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:28,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:28,552 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:28,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:28,614 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:28,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:28,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:28,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 02:06:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:28,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:28,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:28,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:28,796 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:28,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 02:06:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:29,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:29,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:29,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:29,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:29,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:29,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:29,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:29,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:29,527 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:29,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:29,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:29,599 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:29,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:29,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:29,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 02:06:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:29,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:29,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:29,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:29,764 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:29,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 02:06:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:30,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:30,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:30,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:30,325 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:30,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:30,460 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:30,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:30,503 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:30,509 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:30,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:30,560 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:30,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:30,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:30,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 02:06:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:30,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:30,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:30,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:30,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:30,716 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:30,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 02:06:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:30,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:31,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:31,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:31,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:31,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:31,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:31,298 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:31,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:31,327 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:31,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:31,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:31,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:31,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:31,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:31,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:31,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 02:06:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:31,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:31,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:31,525 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:31,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 02:06:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:31,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:33,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:33,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:33,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:33,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:33,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:33,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:33,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:33,538 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:33,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:33,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:33,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:33,605 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:33,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:33,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:33,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 02:06:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:33,749 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:33,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:33,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:33,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:33,751 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:33,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 02:06:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:33,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:34,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:34,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:34,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:34,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:34,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:34,695 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:34,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:34,721 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:34,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:34,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:34,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:34,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:34,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:34,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 02:06:34,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:34,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:34,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:34,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:34,948 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:34,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 02:06:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:35,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:35,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:35,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:35,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:35,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:35,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:35,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:35,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:35,744 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:35,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:35,749 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:35,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:35,801 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:35,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:35,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:35,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 02:06:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:35,951 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:35,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:35,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:35,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:35,953 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:35,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 02:06:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:36,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:36,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:36,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:36,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:36,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:36,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:36,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:36,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:36,584 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:36,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:36,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:36,651 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:36,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:36,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:36,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 02:06:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:36,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:36,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:36,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:36,810 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:36,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 02:06:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:37,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:37,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:37,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:37,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:37,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:37,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:37,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:37,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:37,693 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:37,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:37,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:37,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:37,764 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:37,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:37,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:37,895 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:37,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 02:06:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:37,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:37,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:37,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:37,924 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:37,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 02:06:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:38,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:38,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:38,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:38,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:38,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:38,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:38,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:38,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:38,585 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:38,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:38,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:38,651 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:38,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:38,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:38,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 02:06:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:38,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:38,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:38,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:38,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:38,803 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:38,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 02:06:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:39,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:39,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:39,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:39,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:39,468 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:39,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:39,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:39,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:39,630 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:39,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:39,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:39,692 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:39,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:39,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:39,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 02:06:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:39,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:39,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:39,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:39,838 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:39,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 02:06:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:40,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:41,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:41,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:41,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:41,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:41,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:42,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:42,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:42,169 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:42,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:42,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:42,229 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:42,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:42,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:42,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 02:06:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:42,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:42,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:42,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:42,387 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:42,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 02:06:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:42,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:43,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:43,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:43,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:44,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:44,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:44,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:44,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:44,150 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:44,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:44,154 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:44,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:44,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:44,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:44,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:44,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 02:06:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:44,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:44,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:44,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:44,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:44,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:44,351 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:44,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 02:06:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:44,607 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:45,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:45,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:45,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:45,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:45,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:45,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:45,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:45,574 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:45,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:45,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:45,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:45,638 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:45,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:45,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:45,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 02:06:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:45,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:45,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:45,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:45,790 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:45,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 02:06:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:46,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:46,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:46,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:46,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:46,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:46,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:46,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:46,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:47,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:47,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:47,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:47,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:47,156 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:47,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:47,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:47,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 02:06:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:47,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:47,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:47,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:47,326 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:47,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 02:06:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:47,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:47,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:47,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:47,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:47,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:47,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:47,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:47,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:47,991 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:47,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:47,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:48,056 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:48,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:48,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:48,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 02:06:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:48,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:48,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:48,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:48,220 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:48,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 02:06:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:48,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:48,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:48,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:48,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:48,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:48,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:49,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:49,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:49,058 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:49,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:49,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:49,116 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:49,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:49,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:49,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 02:06:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:49,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:49,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:49,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:49,265 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:49,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 02:06:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:49,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:50,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:50,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:50,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:50,154 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:50,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:50,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:50,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:50,386 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:50,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:50,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:50,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:50,443 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:50,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:50,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:50,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 02:06:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:50,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:50,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:50,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:50,592 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:50,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 02:06:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:50,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:51,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:51,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:51,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:51,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:51,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:51,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:51,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:51,538 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:51,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:51,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:51,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:51,602 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:51,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:51,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:51,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 02:06:51,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:51,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:51,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:51,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:51,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:51,740 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:51,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 02:06:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:52,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:52,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:06:52,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:52,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:52,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:52,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:52,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:52,798 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:52,804 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:52,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:52,864 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:52,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:52,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:52,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 02:06:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:53,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:53,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:53,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:53,021 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:53,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 02:06:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:53,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:53,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:53,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:53,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:53,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:53,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:53,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:53,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:53,692 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:53,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:53,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:53,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:53,753 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:53,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:53,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:53,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 02:06:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:53,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:53,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:53,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:53,922 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:53,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 02:06:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:54,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:54,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:54,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:54,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:54,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:54,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:54,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:54,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:54,615 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:54,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:54,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:54,678 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:54,682 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:54,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:54,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 02:06:54,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:54,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:54,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:54,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:54,833 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:54,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 02:06:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:55,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:55,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:06:55,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:55,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:55,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:55,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:55,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:55,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:55,508 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:55,513 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:55,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:55,575 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:55,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:55,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:55,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 02:06:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:55,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:55,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:55,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:55,738 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:55,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 02:06:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:56,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:56,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:56,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:56,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:56,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:56,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:57,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:57,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:57,031 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:57,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:57,095 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:57,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:57,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:57,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 02:06:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:57,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:57,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:57,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:57,256 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:57,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 02:06:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:57,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:57,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:06:57,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:57,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:57,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:57,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:57,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:57,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:57,934 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:57,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:57,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:57,998 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:58,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:58,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:58,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 02:06:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:58,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:58,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:58,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:58,156 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:58,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 02:06:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:58,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:58,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:58,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:58,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:58,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:58,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:58,780 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:58,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:58,815 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:58,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:58,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:58,877 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:58,882 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:58,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:59,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 02:06:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:59,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:59,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:59,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:59,032 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:59,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 02:06:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:59,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:59,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:06:59,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:59,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:06:59,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:59,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:06:59,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:59,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:06:59,690 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:59,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:59,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:06:59,751 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:06:59,755 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:59,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:06:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:06:59,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 02:06:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:06:59,915 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:06:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:06:59,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:59,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:59,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:59,917 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:59,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 02:07:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:00,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:00,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:00,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:00,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:00,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:00,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:00,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:00,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:00,831 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:00,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:00,837 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:00,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:00,893 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:00,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:00,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:01,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 02:07:01,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:01,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:01,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:01,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:01,042 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:01,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 02:07:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:01,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:01,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:01,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:01,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:01,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:01,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:01,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:01,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:01,883 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:01,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:01,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:01,946 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:01,949 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:01,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:02,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 02:07:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:02,089 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:02,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:02,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:02,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:02,091 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:02,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 02:07:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:02,411 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:02,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:02,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:02,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:02,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:02,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:02,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:02,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:02,992 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:02,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:02,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:02,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:03,058 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:03,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:03,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:03,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 02:07:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:03,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:03,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:03,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:03,230 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:03,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 02:07:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:03,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:04,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:04,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:04,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:04,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:04,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:04,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:04,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:04,382 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:04,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:04,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:04,445 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:04,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:04,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:04,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 02:07:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:04,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:04,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:04,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:04,606 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:04,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 02:07:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:04,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:05,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:05,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:05,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:05,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:05,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:05,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:05,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:05,906 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:05,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:05,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:05,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:05,973 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:05,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:05,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:06,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 02:07:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:06,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:06,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:06,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:06,136 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:06,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 02:07:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:06,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:06,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:06,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:06,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:06,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:06,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:06,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:06,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:06,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:06,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:06,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:06,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:06,946 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:06,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:06,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:07,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 02:07:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:07,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:07,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:07,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:07,122 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:07,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 02:07:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:07,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:07,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:07,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:07,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:08,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:08,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:08,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:08,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:08,282 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:08,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:08,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:08,351 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:08,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:08,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:08,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 02:07:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:08,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:08,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:08,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:08,517 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:08,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 02:07:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:08,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:08,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:08,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:08,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:09,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:09,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:09,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:09,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:09,219 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:09,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:09,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:09,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:09,282 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:09,286 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:09,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:09,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 02:07:09,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:09,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:09,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:09,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:09,443 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:09,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 02:07:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:09,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:10,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:10,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:10,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:10,483 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:10,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:10,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:10,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:10,652 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:10,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:10,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:10,716 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:10,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:10,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:10,849 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:10,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 02:07:10,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:10,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:10,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:10,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:10,881 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:10,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 02:07:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:11,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:11,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:11,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:11,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:11,478 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:11,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:11,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:11,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:11,608 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:11,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:11,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:11,672 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:11,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:11,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:11,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 02:07:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:11,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:11,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:11,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:11,823 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:11,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 02:07:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:12,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:12,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:07:12,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:12,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:12,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:12,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:12,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:13,047 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:13,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:13,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:13,118 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:13,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:13,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:13,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 02:07:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:13,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:13,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:13,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:13,259 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:13,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 02:07:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:13,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:13,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:13,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:13,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:13,849 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:13,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:13,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:13,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:14,055 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:14,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:14,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:14,114 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:14,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:14,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:14,253 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:14,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 02:07:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:14,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:14,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:14,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:14,284 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:14,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 02:07:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:14,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:14,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:07:14,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:14,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:14,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:14,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:14,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:14,937 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:14,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:14,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:14,988 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:14,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:14,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:15,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 02:07:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:15,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:15,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:15,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:15,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:15,130 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:15,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 02:07:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:15,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:15,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:15,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:15,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:15,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:15,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:15,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:15,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:15,925 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:15,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:15,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:15,989 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:15,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:15,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:16,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 02:07:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:16,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:16,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:16,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:16,144 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:16,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 02:07:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:16,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:16,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:16,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:16,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:16,812 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:16,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:16,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:16,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:16,953 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:16,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:16,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:16,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:17,018 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:17,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:17,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:17,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 02:07:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:17,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:17,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:17,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:17,184 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:17,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 02:07:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:17,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:17,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:17,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:17,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:17,803 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:17,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:17,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:17,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:18,011 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:18,017 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:18,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:18,073 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:18,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:18,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:18,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 02:07:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:18,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:18,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:18,249 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:18,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 02:07:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:18,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:18,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:18,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:18,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:18,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:18,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:18,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:18,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:19,055 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:19,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:19,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:19,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:19,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:19,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:19,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:19,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 02:07:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:19,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:19,279 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:19,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:19,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:19,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:19,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:19,281 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:19,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 02:07:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:19,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:20,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:20,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:20,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:20,164 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:20,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:20,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:20,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:20,316 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:20,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:20,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:20,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:20,372 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:20,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:20,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:20,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 02:07:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:20,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:20,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:20,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:20,522 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:20,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 02:07:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:20,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:20,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:20,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:20,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:21,053 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:21,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:21,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:21,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:21,185 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:21,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:21,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:21,249 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:21,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:21,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:21,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 02:07:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:21,398 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:21,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:21,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:21,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:21,401 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:21,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 02:07:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:21,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:22,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:22,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:22,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:22,092 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:22,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:22,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:22,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:22,295 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:22,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:22,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:22,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:22,347 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:22,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:22,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:22,483 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:22,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-12-06 02:07:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:22,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:22,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:22,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:22,513 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:22,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 02:07:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:22,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:23,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:23,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:23,552 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:23,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:23,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:23,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:23,789 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:23,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:23,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:23,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:23,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:23,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:23,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:23,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 02:07:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:24,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:24,003 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:24,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 02:07:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:24,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:24,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:24,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:24,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:24,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:24,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:24,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:24,835 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:24,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:24,840 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:24,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:24,898 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:24,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:24,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:25,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 02:07:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:25,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:25,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:25,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:25,052 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:25,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 02:07:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:25,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:25,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:25,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:25,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:25,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:25,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:25,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:25,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:25,755 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:25,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:25,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:25,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:25,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:25,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:25,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 02:07:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:25,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:25,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:25,972 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:25,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 02:07:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:26,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:26,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:26,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:26,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:26,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:26,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:26,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:26,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:26,773 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:26,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:26,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:26,833 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:26,837 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:26,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:26,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 02:07:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:26,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:26,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:26,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:26,990 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:26,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 02:07:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:27,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:27,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:27,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:27,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:27,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:27,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:27,780 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:27,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:27,883 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:27,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:27,888 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:27,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:27,949 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:27,953 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:27,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:28,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-12-06 02:07:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:28,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:28,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:28,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:28,108 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:28,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 02:07:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:28,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:29,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:29,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:29,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:29,516 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:29,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:29,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:29,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:29,661 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:29,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:29,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:29,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:29,725 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:29,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:29,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:29,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 02:07:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:29,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:29,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:29,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:29,872 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:29,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 02:07:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:30,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:30,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:30,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:30,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:30,691 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:30,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:30,802 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:30,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:30,830 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:30,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:30,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:30,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:30,889 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:30,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:30,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:31,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 02:07:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:31,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:31,054 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:31,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:31,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:31,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:31,057 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:31,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 02:07:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:31,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:31,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:31,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:31,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:31,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:31,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:31,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:31,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:31,799 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:31,804 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:31,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:31,864 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:31,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:31,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:31,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 02:07:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:32,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:32,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:32,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:32,008 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:32,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 02:07:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:32,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:32,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:32,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:32,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:32,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:32,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:32,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:32,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:32,803 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:32,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:32,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:32,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:32,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:32,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:32,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:32,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-12-06 02:07:33,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:33,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:33,010 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:33,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:33,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:33,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:33,011 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:33,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 02:07:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:33,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:33,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:33,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:33,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:33,803 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:33,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:33,914 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:33,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:33,943 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:33,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:33,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:33,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:33,996 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:34,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:34,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:34,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 02:07:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:34,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:34,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:34,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:34,141 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:34,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 02:07:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:34,523 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:34,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:34,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:34,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:34,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:34,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:35,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:35,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:35,092 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:35,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:35,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:35,147 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:35,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:35,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:35,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 02:07:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:35,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:35,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:35,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:35,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:35,285 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:35,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 02:07:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:35,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:35,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:35,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:35,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:35,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:35,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:35,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:35,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:36,089 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:36,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:36,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:36,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:36,148 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:36,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:36,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:36,264 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:36,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 02:07:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:36,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:36,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:36,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:36,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:36,289 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:36,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 02:07:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:36,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:36,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:36,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:36,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:36,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:36,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:37,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:37,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:37,130 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:37,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:37,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:37,188 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:37,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:37,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:37,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-12-06 02:07:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:37,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:37,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:37,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:37,342 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:37,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 02:07:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:37,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:37,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:37,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:37,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:37,914 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:37,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:38,038 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:38,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:38,069 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:38,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:38,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:38,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:38,135 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:38,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:38,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:38,267 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:38,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 02:07:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:38,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:38,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:38,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:38,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:38,297 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:38,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 02:07:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:38,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:39,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:39,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:39,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:39,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:39,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:39,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:39,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:39,903 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:39,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:39,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:39,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:39,961 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:39,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:39,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:40,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 02:07:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:40,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:40,103 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:40,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:40,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:40,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:40,105 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:40,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 02:07:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:40,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:41,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:41,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:41,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:41,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:41,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:41,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:41,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:41,440 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:41,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:41,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:41,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:41,492 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:41,496 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:41,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:41,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 02:07:41,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:41,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:41,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:41,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:41,656 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:41,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 02:07:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:42,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:42,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:42,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:42,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:42,474 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:42,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:42,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:42,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:42,690 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:42,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:42,695 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:42,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:42,748 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:42,752 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:42,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:42,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 02:07:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:42,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:42,898 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:42,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:42,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:42,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:42,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:42,900 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:42,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 02:07:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:43,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:43,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:43,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:43,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:43,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:43,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:43,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:43,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:43,954 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:43,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:43,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:44,014 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:44,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:44,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:44,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 02:07:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:44,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:44,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:44,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:44,168 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:44,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 02:07:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:44,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:44,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:44,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:44,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:44,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:44,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:44,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:44,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:45,009 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:45,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:45,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:45,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:45,078 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:45,083 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:45,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:45,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 02:07:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:45,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:45,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:45,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:45,238 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:45,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 02:07:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:45,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:45,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:45,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:45,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:45,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:45,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:45,925 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:45,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:46,017 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:46,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:46,021 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:46,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:46,067 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:46,071 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:46,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:46,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 02:07:46,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:46,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:46,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:46,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:46,220 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:46,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 02:07:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:46,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:46,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:46,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:46,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:46,858 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:46,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:46,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:46,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:47,083 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:47,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:47,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:47,141 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:47,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:47,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:47,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 02:07:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:47,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:47,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:47,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:47,289 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:47,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 02:07:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:47,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:48,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:48,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:48,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:48,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:48,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:48,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:48,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:48,338 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:48,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:48,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:48,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:48,402 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:48,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:48,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:48,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 02:07:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:48,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:48,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:48,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:48,560 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:48,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 02:07:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:48,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:50,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:50,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:50,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:50,302 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:50,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:50,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:50,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:50,490 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:50,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:50,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:50,545 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:50,549 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:50,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:50,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 02:07:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:50,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:50,698 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:50,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:50,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:50,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:50,700 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:50,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 02:07:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:51,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:51,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:51,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:51,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:51,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:51,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:51,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:51,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:51,523 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:51,529 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:51,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:51,586 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:51,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:51,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:51,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-12-06 02:07:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:51,740 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:51,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:51,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:51,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:51,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:51,741 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:51,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 02:07:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:52,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:52,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:52,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:52,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:52,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:52,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:52,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:52,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:52,609 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:52,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:52,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:52,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:52,665 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:52,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:52,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:52,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 02:07:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:52,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:52,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:52,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:52,804 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:52,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 02:07:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:53,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:53,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:53,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:53,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:53,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:53,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:53,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:53,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:53,641 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:53,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:53,646 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:53,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:53,705 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:53,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:53,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:53,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 02:07:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:53,870 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:53,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:53,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:53,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:53,872 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:53,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 02:07:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:54,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:54,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:07:54,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:54,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:54,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:54,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:54,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:54,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:54,761 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:54,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:54,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:54,815 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:54,820 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:54,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:54,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 02:07:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:54,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:54,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:54,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:54,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:54,981 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:54,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 02:07:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:55,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:55,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:55,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:55,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:55,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:55,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:55,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:55,995 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:56,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:56,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:56,058 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:56,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:56,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:56,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 02:07:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:56,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:56,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:56,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:56,208 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:56,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 02:07:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:56,645 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:57,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:07:57,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:57,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:57,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:57,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:57,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:57,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:57,314 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:57,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:57,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:57,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:57,366 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:57,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:57,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:57,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 02:07:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:57,509 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:57,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:57,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:57,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:57,511 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:57,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 02:07:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:57,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:59,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:07:59,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:59,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:07:59,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:59,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:07:59,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:59,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:07:59,466 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:59,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:07:59,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:59,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:07:59,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:07:59,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:07:59,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:07:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:07:59,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 02:07:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:07:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:07:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:07:59,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:59,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:59,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:59,670 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:59,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 02:08:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:00,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:00,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:00,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:00,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:00,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:00,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:00,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:00,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:00,680 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:00,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:00,685 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:00,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:00,737 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:00,741 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:00,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:00,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 02:08:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:00,883 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:00,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:00,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:00,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:00,885 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:00,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 02:08:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:01,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:01,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:01,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:01,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:01,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:01,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:01,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:01,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:01,742 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:01,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:01,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:01,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:01,804 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:01,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:01,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:01,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 02:08:01,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:01,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:01,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:01,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:01,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:01,966 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:01,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 02:08:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:02,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:02,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:02,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:02,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:02,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:02,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:02,746 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:02,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:02,865 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:02,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:02,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:02,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:02,927 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:02,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:02,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:03,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 02:08:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:03,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:03,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:03,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:03,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:03,090 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:03,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 02:08:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:03,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:04,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:04,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:04,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:04,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:04,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:04,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:04,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:04,351 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:04,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:04,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:04,415 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:04,418 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:04,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:04,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 02:08:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:04,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:04,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:04,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:04,557 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:04,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 02:08:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:04,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:05,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:05,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:05,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:05,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:05,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:05,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:05,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:05,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:05,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:05,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:05,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:05,485 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:05,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:05,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:05,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-12-06 02:08:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:05,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:05,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:05,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:05,651 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:05,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 02:08:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:06,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:06,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:06,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:06,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:06,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:06,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:06,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:06,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:06,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:06,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:06,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:06,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:06,581 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:06,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:06,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:06,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 02:08:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:06,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:06,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:06,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:06,736 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:06,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 02:08:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:07,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:07,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:07,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:07,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:07,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:07,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:07,682 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:07,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:07,715 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:07,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:07,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:07,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:07,781 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:07,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:07,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:07,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 02:08:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:07,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:07,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:07,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:07,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:07,929 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:07,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 02:08:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:08,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:08,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:08,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:08,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:08,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:08,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:08,746 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:08,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:08,776 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:08,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:08,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:08,843 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:08,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:08,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:08,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 02:08:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:09,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:09,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:09,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:09,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:09,006 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:09,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 02:08:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:09,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:09,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:09,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:09,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:09,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:09,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:09,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:09,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:09,980 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:09,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:09,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:09,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:10,032 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:10,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:10,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:10,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 02:08:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:10,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:10,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:10,187 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:10,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 02:08:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:10,662 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:10,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:10,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:10,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:11,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:11,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:11,196 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:11,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:11,315 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:11,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:11,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:11,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:11,377 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:11,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:11,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:11,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 02:08:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:11,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:11,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:11,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:11,524 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:11,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 02:08:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:11,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:12,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:12,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:12,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:12,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:12,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:12,323 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:12,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:12,426 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:12,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:12,432 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:12,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:12,489 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:12,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:12,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:12,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 02:08:12,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:12,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:12,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:12,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:12,634 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:12,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 02:08:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:13,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:13,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:13,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:13,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:13,405 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:13,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:13,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:13,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:13,534 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:13,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:13,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:13,586 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:13,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:13,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:13,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 02:08:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:13,743 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:13,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:13,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:13,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:13,745 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:13,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 02:08:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:14,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:14,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:14,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:14,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:14,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:14,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:14,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:14,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:14,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:14,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:14,792 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:14,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:14,848 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:14,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:14,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:14,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 02:08:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:15,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:15,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:15,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:15,004 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:15,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 02:08:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:15,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:16,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:16,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:16,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:16,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:16,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:16,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:16,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:16,427 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:16,432 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:16,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:16,486 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:16,490 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:16,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:16,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 02:08:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:16,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:16,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:16,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:16,649 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:16,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 02:08:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:17,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:17,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:17,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:17,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:17,373 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:17,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:17,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:17,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:17,514 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:17,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:17,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:17,580 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:17,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:17,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:17,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 02:08:17,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:17,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:17,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:17,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:17,753 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:17,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 02:08:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:18,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:18,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:18,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:18,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:18,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:18,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:18,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:18,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:18,580 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:18,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:18,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:18,645 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:18,649 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:18,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:18,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 02:08:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:18,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:18,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:18,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:18,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:18,797 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:18,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 02:08:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:19,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:19,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:19,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:19,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:19,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:19,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:19,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:19,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:20,075 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:20,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:20,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:20,133 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:20,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:20,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:20,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 02:08:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:20,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:20,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:20,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:20,300 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:20,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 02:08:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:20,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:21,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:21,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:21,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:21,420 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:21,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:21,546 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:21,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:21,575 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:21,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:21,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:21,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:21,637 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:21,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:21,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:21,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 02:08:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:21,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:21,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:21,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:21,798 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:21,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 02:08:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:22,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:22,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:22,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:22,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:22,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:22,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:22,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:22,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:22,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:22,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:22,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:22,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:22,826 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:22,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:22,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:22,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 02:08:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:22,986 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:22,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:22,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:22,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:22,987 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:22,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 02:08:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:23,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:23,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:23,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:23,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:23,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:23,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:23,862 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:23,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:23,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:23,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:23,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:23,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:23,958 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:23,962 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:23,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:24,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 02:08:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:24,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:24,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:24,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:24,104 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:24,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 02:08:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:24,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:24,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:24,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:24,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:24,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:24,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:24,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:24,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:25,007 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:25,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:25,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:25,071 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:25,075 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:25,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:25,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 02:08:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:25,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:25,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:25,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:25,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:25,235 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:25,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 02:08:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:25,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:26,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:26,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:26,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:26,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:26,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:26,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:26,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:26,304 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:26,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:26,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:26,361 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:26,365 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:26,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:26,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 02:08:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:26,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:26,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:26,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:26,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:26,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:26,509 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:26,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 02:08:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:26,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:27,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:27,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:27,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:27,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:27,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:28,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:28,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:28,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:28,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:28,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:28,182 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:28,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:28,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:28,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 02:08:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:28,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:28,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:28,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:28,333 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:28,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 02:08:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:28,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:29,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:29,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:29,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:29,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:29,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:29,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:29,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:29,578 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:29,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:29,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:29,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:29,649 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:29,654 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:29,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:29,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 02:08:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:29,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:29,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:29,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:29,799 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:29,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 02:08:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:30,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:30,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:30,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:30,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:30,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:30,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:31,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:31,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:31,117 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:31,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:31,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:31,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:31,173 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:31,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:31,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:31,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 02:08:31,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:31,312 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:31,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:31,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:31,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:31,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:31,314 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:31,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 02:08:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:31,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:31,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:31,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:31,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:32,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:32,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:32,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:32,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:32,225 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:32,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:32,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:32,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:32,279 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:32,283 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:32,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:32,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 02:08:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:32,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:32,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:32,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:32,423 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:32,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 02:08:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:32,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:33,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:33,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:33,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:33,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:33,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:33,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:33,265 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:33,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:33,269 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:33,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:33,324 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:33,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:33,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:33,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 02:08:33,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:33,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:33,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:33,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:33,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:33,470 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:33,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 02:08:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:33,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:34,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:34,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:34,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:34,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:34,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:34,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:34,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:34,469 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:34,474 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:34,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:34,532 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:34,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:34,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:34,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 02:08:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:34,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:34,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:34,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:34,688 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:34,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 02:08:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:35,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:35,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:35,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:35,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:35,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:35,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:35,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:35,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:35,756 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:35,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:35,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:35,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:35,813 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:35,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:35,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:35,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 02:08:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:35,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:35,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:35,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:35,960 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:35,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 02:08:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:36,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:36,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:36,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:36,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:36,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:36,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:36,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:36,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:36,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:36,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:36,823 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:36,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:36,869 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:36,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:36,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:36,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 02:08:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:37,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:37,012 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:37,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:37,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:37,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:37,014 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:37,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 02:08:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:37,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:37,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:37,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:37,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:37,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:37,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:37,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:37,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:37,984 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:37,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:37,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:37,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:38,047 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:38,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:38,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:38,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 02:08:38,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:38,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:38,207 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:38,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:38,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:38,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:38,209 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:38,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 02:08:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:38,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:39,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:39,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:39,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:39,243 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:39,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:39,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:39,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:39,434 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:39,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:39,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:39,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:39,496 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:39,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:39,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:39,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-06 02:08:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:39,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:39,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:39,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:39,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:39,639 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:39,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 02:08:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:40,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:40,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:40,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:40,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:40,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:40,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:40,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:40,574 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:40,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:40,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:40,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:40,629 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:40,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:40,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:40,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 02:08:40,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:40,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:40,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:40,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:40,780 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:40,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 02:08:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:41,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:41,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:41,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:41,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:41,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:41,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:41,906 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:41,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:41,936 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:41,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:41,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:41,991 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:41,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:41,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:42,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-06 02:08:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:42,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:42,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:42,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:42,136 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:42,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 02:08:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:42,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:42,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:42,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:42,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:42,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:42,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:42,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:42,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:43,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:43,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:43,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:43,149 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:43,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:43,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:43,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-12-06 02:08:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:43,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:43,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:43,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:43,294 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:43,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 02:08:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:43,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:44,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:08:44,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:44,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:44,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:44,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:44,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:44,396 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:44,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:44,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:44,455 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:44,460 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:44,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:44,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 02:08:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:44,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:44,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:44,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:44,615 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:44,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 02:08:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:45,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:46,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:46,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:46,227 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:46,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:46,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:46,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:46,422 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:46,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:46,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:46,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:46,480 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:46,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:46,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:46,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 02:08:46,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:46,618 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:46,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:46,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:46,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:46,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:46,620 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:46,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 02:08:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:47,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:47,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:47,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:47,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:48,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:48,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:48,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:48,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:48,239 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:48,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:48,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:48,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:48,300 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:48,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:48,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:48,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-06 02:08:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:48,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:48,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:48,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:48,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:48,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:48,449 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:48,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 02:08:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:48,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:49,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:08:49,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:49,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:49,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:49,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:49,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:49,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:49,430 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:49,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:49,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:49,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:49,487 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:49,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:49,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:49,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 02:08:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:49,652 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:49,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:49,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:49,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:49,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:49,653 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:49,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 02:08:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:50,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:50,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:50,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:50,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:50,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:50,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:50,949 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:50,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:50,973 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:50,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:50,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:51,039 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:51,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:51,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:51,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 02:08:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:51,192 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:51,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:51,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:51,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:51,194 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:51,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 02:08:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:51,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:52,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:52,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:52,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:52,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:52,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:52,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:52,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:52,741 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:52,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:52,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:52,800 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:52,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:52,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:52,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 02:08:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:52,955 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:52,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:52,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:52,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:52,956 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:52,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 02:08:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:53,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:54,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:54,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:54,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:54,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:54,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:54,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:54,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:54,814 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:54,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:54,820 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:54,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:54,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:54,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:54,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:54,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-06 02:08:55,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:55,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:55,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:55,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:55,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:55,023 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:55,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 02:08:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:55,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:56,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:08:56,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:56,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:56,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:56,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:56,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:56,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:56,634 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:56,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:56,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:56,697 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:56,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:56,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:56,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 02:08:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:56,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:56,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:56,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:56,841 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:56,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 02:08:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:57,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:57,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:57,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:57,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:57,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:57,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:57,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:57,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:57,732 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:57,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:57,737 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:57,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:57,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:57,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:57,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:57,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 02:08:57,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:57,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:57,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:57,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:57,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:57,944 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:57,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 02:08:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:58,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:59,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:08:59,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:59,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:08:59,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:59,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:08:59,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:59,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:08:59,275 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:59,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:08:59,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:59,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:08:59,330 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:08:59,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:08:59,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:08:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:08:59,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 02:08:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:08:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:08:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:08:59,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:59,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:59,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:59,496 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:59,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 02:09:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:00,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:00,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:00,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:00,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:00,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:00,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:00,369 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:00,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:00,480 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:00,485 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:00,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:00,541 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:00,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:00,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:00,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 02:09:00,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:00,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:00,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:00,681 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:00,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 02:09:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:01,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:01,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:01,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:01,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:01,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:01,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:01,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:01,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:01,807 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:01,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:01,812 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:01,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:01,870 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:01,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:01,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:01,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-06 02:09:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:02,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:02,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:02,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:02,014 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:02,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 02:09:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:02,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:02,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:09:02,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:02,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:02,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:02,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:02,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:02,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:02,917 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:02,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:02,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:02,971 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:02,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:02,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:03,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 02:09:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:03,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:03,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:03,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:03,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:03,119 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:03,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 02:09:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:03,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:04,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:09:04,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:04,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:04,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:04,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:04,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:04,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:04,315 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:04,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:04,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:04,367 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:04,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:04,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:04,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 02:09:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:04,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:04,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:04,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:04,511 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:04,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 02:09:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:05,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:05,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:05,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:05,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:05,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:05,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:05,368 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:05,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:05,390 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:05,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:05,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:05,441 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:05,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:05,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:05,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 02:09:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:05,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:05,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:05,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:05,586 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:05,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 02:09:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:06,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:06,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:09:06,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:06,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:06,354 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:06,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:06,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:06,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:06,487 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:06,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:06,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:06,546 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:06,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:06,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:06,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-06 02:09:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:06,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:06,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:06,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:06,685 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:06,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 02:09:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:07,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:08,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:08,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:08,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:08,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:08,276 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:08,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:08,386 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:08,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:08,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:08,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:08,457 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:08,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:08,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:08,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-06 02:09:08,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:08,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:08,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:08,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:08,621 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:08,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 02:09:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:09,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:09,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:09,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:10,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:10,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:10,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:10,199 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:10,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:10,295 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:10,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:10,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:10,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:10,359 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:10,363 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:10,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:10,481 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:10,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 02:09:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:10,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:10,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:10,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:10,513 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:10,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 02:09:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:11,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:11,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:11,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:11,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:11,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:11,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:11,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:11,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:11,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:11,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:11,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:11,909 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:11,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:11,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:12,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-06 02:09:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:12,060 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:12,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:12,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:12,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:12,062 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:12,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-06 02:09:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:12,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:13,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:09:13,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:13,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:13,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:13,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:13,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:13,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:13,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:13,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:13,432 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:13,436 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:13,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:13,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-06 02:09:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:13,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:13,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:13,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:13,577 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:13,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-06 02:09:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:14,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:15,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:09:15,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:15,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:15,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:15,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:15,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:15,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:15,573 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:15,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:15,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:15,637 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:15,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:15,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:15,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-06 02:09:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:15,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:15,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:15,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:15,779 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:15,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-06 02:09:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:16,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:16,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:16,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:16,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:16,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:16,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:16,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:16,908 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:16,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:16,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:16,970 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:16,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:16,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:17,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-06 02:09:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:17,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:17,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:17,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:17,125 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:17,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-06 02:09:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:17,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:17,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:17,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:17,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:17,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:17,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:18,017 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:18,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:18,046 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:18,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:18,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:18,104 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:18,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:18,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:18,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-12-06 02:09:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:18,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:18,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:18,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:18,260 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:18,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-06 02:09:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:18,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:19,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:19,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:19,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:19,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:19,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:19,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:19,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:19,829 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:19,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:19,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:19,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:19,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:19,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:19,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:20,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-06 02:09:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:20,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:20,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:20,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:20,039 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:20,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-06 02:09:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:20,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:20,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:20,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:20,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:20,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:20,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:20,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:20,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:20,987 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:20,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:20,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:20,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:21,047 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:21,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:21,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:21,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-12-06 02:09:21,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:21,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:21,206 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:21,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:21,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:21,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:21,208 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:21,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-06 02:09:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:21,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:22,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:22,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:22,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:22,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:22,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:22,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:22,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:22,599 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:22,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:22,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:22,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:22,662 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:22,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:22,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:22,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-06 02:09:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:22,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:22,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:22,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:22,828 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:22,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-06 02:09:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:23,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:23,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:23,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:23,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:23,674 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:23,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:23,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:23,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:23,889 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:23,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:23,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:23,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:23,955 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:23,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:23,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:24,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-12-06 02:09:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:24,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:24,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:24,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:24,096 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:24,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-06 02:09:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:24,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:25,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:25,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:25,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:25,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:25,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:25,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:25,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:25,451 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:25,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:25,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:25,513 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:25,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:25,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:25,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-06 02:09:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:25,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:25,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:25,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:25,676 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:25,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-06 02:09:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:26,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:26,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:09:26,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:26,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:26,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:26,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:26,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:26,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:26,691 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:26,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:26,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:26,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:26,742 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:26,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:26,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:26,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-12-06 02:09:26,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:26,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:26,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:26,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:26,895 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:26,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-06 02:09:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:27,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:27,602 WARN L254 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 02:09:27,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:27,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-06 02:09:27,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:27,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:27,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:27,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:27,827 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:27,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:27,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:27,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:27,893 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:27,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:28,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-12-06 02:09:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:28,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:28,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:28,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:28,051 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:28,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-06 02:09:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:28,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:29,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:29,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:29,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:29,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:29,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:29,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:29,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:29,754 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:29,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:29,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:29,809 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:29,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:29,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:29,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-06 02:09:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:29,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:29,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:29,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:29,957 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:29,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-06 02:09:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:30,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:30,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:09:30,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:30,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:30,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:30,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:30,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:30,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:30,958 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:30,962 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:30,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:31,023 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:31,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:31,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:31,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-06 02:09:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:31,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:31,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:31,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:31,188 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:31,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-06 02:09:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:31,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:32,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:32,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:32,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:32,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:32,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:32,220 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:32,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:32,249 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:32,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:32,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:32,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:32,316 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:32,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:32,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:32,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-06 02:09:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:32,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:32,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:32,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:32,471 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:32,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-06 02:09:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:33,070 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:33,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:33,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:33,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:33,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:33,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:34,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:34,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:34,180 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:34,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:34,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:34,237 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:34,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:34,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:34,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-12-06 02:09:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:34,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:34,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:34,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:34,393 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:34,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-06 02:09:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:35,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:35,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:35,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:35,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:35,224 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:35,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:35,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:35,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:35,358 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:35,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:35,363 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:35,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:35,415 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:35,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:35,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:35,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-12-06 02:09:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:35,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:35,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:35,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:35,565 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:35,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-06 02:09:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:36,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:36,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:36,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:36,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:36,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:36,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:36,946 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:36,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:36,977 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:36,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:36,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:37,042 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:37,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:37,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:37,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-12-06 02:09:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:37,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:37,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:37,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:37,206 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:37,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-06 02:09:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:37,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:37,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:37,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:37,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:38,054 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:38,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:38,163 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:38,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:38,188 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:38,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:38,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:38,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:38,253 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:38,256 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:38,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:38,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-12-06 02:09:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:38,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:38,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:38,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:38,410 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:38,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-06 02:09:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:39,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:39,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:39,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:39,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:39,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:39,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:39,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:39,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:39,583 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:39,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:39,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:39,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:39,641 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:39,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:39,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:39,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-06 02:09:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:39,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:39,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:39,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:39,806 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:39,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-06 02:09:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:40,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:40,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:40,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:40,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:41,023 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:41,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:41,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:41,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:41,170 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:41,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:41,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:41,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:41,238 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:41,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:41,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:41,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-12-06 02:09:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:41,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:41,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:41,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:41,412 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:41,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-06 02:09:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:42,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:42,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:42,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:42,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:42,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:42,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:42,492 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:42,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:42,516 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:42,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:42,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:42,580 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:42,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:42,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:42,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-12-06 02:09:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:42,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:42,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:42,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:42,750 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:42,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-06 02:09:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:43,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:43,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:43,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:43,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:43,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:43,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:43,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:43,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:43,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:43,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:43,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:43,921 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:43,925 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:43,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:44,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-12-06 02:09:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:44,079 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:44,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:44,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:44,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:44,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:44,081 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:44,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-06 02:09:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:44,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:45,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:45,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:45,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:45,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:45,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:45,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:45,889 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:45,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:45,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:45,951 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:45,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:45,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:46,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-06 02:09:46,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:46,104 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:46,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:46,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:46,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:46,106 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:46,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-06 02:09:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:46,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:47,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:47,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:47,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:47,369 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:47,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:47,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:47,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:47,509 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:47,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:47,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:47,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:47,575 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:47,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:47,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:47,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-12-06 02:09:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:47,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:47,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:47,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:47,723 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:47,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-06 02:09:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:48,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:48,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:48,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:48,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:48,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:48,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:48,718 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:48,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:48,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:48,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:48,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:48,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:48,885 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:48,890 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:48,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:49,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-06 02:09:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:49,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:49,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:49,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:49,055 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:49,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-06 02:09:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:49,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:50,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:09:50,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:51,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:51,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:51,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:51,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:51,169 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:51,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:51,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:51,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:51,227 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:51,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:51,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:51,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-06 02:09:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:51,381 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:51,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:51,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:51,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:51,383 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-06 02:09:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:52,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:52,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:52,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:52,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:52,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:52,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:52,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:52,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:52,502 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:52,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:52,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:52,564 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:52,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:52,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:52,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-12-06 02:09:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:52,721 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:52,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:52,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:52,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:52,722 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:52,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-06 02:09:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:53,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:53,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:53,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:53,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:53,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:53,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:53,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:53,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:53,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:53,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:53,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:53,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:53,752 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:53,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:53,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:53,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-06 02:09:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:53,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:53,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:53,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:53,921 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:53,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-06 02:09:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:54,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:55,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:55,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:55,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:56,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:56,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:56,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:56,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:56,200 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:56,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:56,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:56,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:56,258 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:56,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:56,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:56,388 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:56,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-06 02:09:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:56,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:56,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:56,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:56,421 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:56,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-06 02:09:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:57,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:57,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:09:57,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:57,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:57,207 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:57,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:57,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:57,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:57,404 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:57,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:57,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:57,462 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:57,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:57,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:57,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-12-06 02:09:57,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:57,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:57,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:57,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:57,610 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:57,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-06 02:09:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:58,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:58,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:58,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:58,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:58,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:58,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:09:58,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:58,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:09:58,670 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:58,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:09:58,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:58,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:09:58,732 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:09:58,736 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:58,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:09:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:09:58,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-12-06 02:09:58,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:09:58,881 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:09:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:09:58,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:58,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:58,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:58,883 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:58,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-06 02:09:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:59,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:59,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:09:59,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:59,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:09:59,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:59,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:00,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:00,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:00,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:00,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:00,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:00,153 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:00,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:00,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:00,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-12-06 02:10:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:00,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:00,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:00,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:00,303 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:00,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-06 02:10:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:00,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:01,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:10:01,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:01,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:01,085 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:01,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:01,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:01,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:01,303 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:01,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:01,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:01,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:01,363 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:01,367 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:01,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:01,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-12-06 02:10:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:01,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:01,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:01,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:01,518 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:01,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-06 02:10:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:02,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:02,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:10:02,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:02,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:02,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:02,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:02,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:02,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:02,622 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:02,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:02,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:02,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:02,680 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:02,684 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:02,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:02,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-06 02:10:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:02,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:02,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:02,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:02,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:02,848 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:02,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-06 02:10:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:03,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:04,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:10:04,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:04,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:04,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:04,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:04,430 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:04,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:04,537 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:04,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:04,541 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:04,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:04,597 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:04,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:04,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:04,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-12-06 02:10:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:04,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:04,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:04,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:04,766 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:04,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-06 02:10:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:05,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:05,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:10:05,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:05,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:05,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:05,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:05,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:05,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:05,789 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:05,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:05,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:05,849 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:05,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:05,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:05,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-12-06 02:10:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:06,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:06,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:06,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:06,012 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:06,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-06 02:10:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:06,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:06,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:10:06,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:06,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:06,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:06,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:07,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:07,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:07,106 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:07,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:07,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:07,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:07,171 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:07,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:07,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:07,313 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:07,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-12-06 02:10:07,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:07,343 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:07,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:07,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:07,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:07,345 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:07,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-06 02:10:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:07,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:08,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:10:08,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:08,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:08,667 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:08,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:08,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:08,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:08,910 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:08,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:08,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:08,972 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:08,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:08,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:09,110 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:09,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-12-06 02:10:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:09,141 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:09,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:09,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:09,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:09,143 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:09,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-06 02:10:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:09,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:09,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:10:09,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:09,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:09,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:09,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:10,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:10,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:10,093 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:10,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:10,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:10,156 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:10,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:10,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:10,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-06 02:10:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:10,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:10,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:10,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:10,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:10,301 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:10,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-06 02:10:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:10,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:11,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:10:11,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:11,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:11,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:11,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:11,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:11,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:11,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:11,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:11,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:11,449 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:11,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:11,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:11,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-12-06 02:10:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:11,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:11,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:11,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:11,606 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:11,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-06 02:10:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:12,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:12,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:10:12,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:12,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:12,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:12,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:12,675 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:12,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:12,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:12,792 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:12,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:12,858 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:12,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:12,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:12,997 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:13,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-12-06 02:10:13,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:13,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:13,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:13,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:13,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:13,027 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:13,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-06 02:10:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:13,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:14,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:10:14,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:14,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:14,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:14,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:14,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:14,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:14,315 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:14,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:14,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:14,374 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:14,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:14,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:14,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-12-06 02:10:14,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:14,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:14,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:14,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:14,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:14,534 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:14,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-06 02:10:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:15,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:15,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:10:15,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:15,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:15,430 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:15,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:15,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:15,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:15,566 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:15,571 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:15,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:15,631 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:15,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:15,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:15,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-06 02:10:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:15,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:15,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:15,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:15,797 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:15,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-06 02:10:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:16,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:16,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:10:16,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:16,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:16,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:16,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:17,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:17,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:17,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:17,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:17,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:17,107 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:17,111 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:17,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:17,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-12-06 02:10:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:17,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:17,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:17,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:17,270 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:17,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-06 02:10:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:17,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:18,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:10:18,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:18,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:18,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:18,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:18,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:18,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:18,660 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:18,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:18,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:18,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:18,724 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:18,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:18,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:18,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-12-06 02:10:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:18,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:18,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:18,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:18,878 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:18,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-06 02:10:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:19,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:19,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:10:19,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:19,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:19,736 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:19,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:19,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:19,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:19,897 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:19,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:19,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:19,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:10:19,952 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:19,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:19,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:10:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:10:20,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-12-06 02:10:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:10:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:10:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:10:20,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:20,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:20,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:20,106 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:20,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-06 02:10:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:20,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:20,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:10:20,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:20,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:10:20,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:20,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:10:21,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:21,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:10:21,164 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:10:21,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:10:21,169 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:21,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-12-06 02:13:17,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:17,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:17,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:17,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:17,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:17,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-12-06 02:13:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:17,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:17,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:17,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:17,958 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:17,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-12-06 02:13:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:18,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:19,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:19,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:19,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:19,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:19,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:19,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:19,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:19,342 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:19,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:19,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:19,394 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:19,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:19,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:19,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-12-06 02:13:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:19,549 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:19,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:19,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:19,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:19,551 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:19,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-12-06 02:13:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:20,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:20,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:13:20,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:20,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:20,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:20,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:20,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:20,945 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:20,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:20,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:20,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:21,011 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:21,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:21,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:21,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-12-06 02:13:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:21,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:21,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:21,175 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:21,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-12-06 02:13:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:22,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:22,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:22,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:22,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:22,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:22,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:22,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:22,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:22,491 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:22,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:22,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:22,556 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:22,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:22,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:22,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-12-06 02:13:22,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:22,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:22,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:22,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:22,725 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:22,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-12-06 02:13:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:23,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:24,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:13:24,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:24,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:24,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:24,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:24,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:24,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:24,636 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:24,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:24,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:24,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:24,701 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:24,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:24,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:24,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-12-06 02:13:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:24,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:24,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:24,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:24,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:24,871 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:24,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-12-06 02:13:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:25,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:26,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:13:26,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:26,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:26,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:26,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:26,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:26,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:26,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:26,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:26,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:26,828 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:26,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:26,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:26,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-12-06 02:13:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:26,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:26,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:26,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:26,991 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:26,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-12-06 02:13:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:27,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:28,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:13:28,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:29,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:29,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:29,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:29,184 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:29,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:29,282 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:29,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:29,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:29,343 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:29,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:29,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:29,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-12-06 02:13:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:29,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:29,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:29,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:29,521 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:29,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-12-06 02:13:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:30,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:31,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:31,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:31,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:31,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:31,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:31,286 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:31,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:31,310 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:31,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:31,315 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:31,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:31,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:31,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:31,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:31,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-12-06 02:13:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:31,543 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:31,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:31,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:31,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:31,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:31,545 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:31,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-12-06 02:13:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:32,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:33,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:13:33,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:33,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:33,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:33,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:33,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:33,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:33,470 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:33,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:33,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:33,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:33,533 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:33,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:33,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:33,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-12-06 02:13:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:33,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:33,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:33,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:33,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:33,698 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:33,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-12-06 02:13:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:34,610 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:35,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:13:35,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:35,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:35,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:35,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:35,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:35,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:35,409 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:35,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:35,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:35,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:35,476 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:35,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:35,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:35,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-12-06 02:13:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:35,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:35,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:35,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:35,650 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:35,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-12-06 02:13:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:36,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:36,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:36,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:36,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:36,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:36,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:36,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:36,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:36,980 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:36,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:36,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:37,035 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:37,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:37,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:37,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-12-06 02:13:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:37,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:37,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:37,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:37,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:37,205 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:37,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-12-06 02:13:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:38,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:38,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:13:38,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:38,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:38,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:38,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:38,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:38,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:38,791 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:38,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:38,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:38,848 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:38,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:38,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:38,971 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:38,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-12-06 02:13:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:39,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:39,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:39,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:39,010 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:39,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-12-06 02:13:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:40,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:40,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:13:40,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:40,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:40,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:40,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:40,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:40,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:40,482 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:40,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:40,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:40,540 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:40,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:40,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:40,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-12-06 02:13:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:40,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:40,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:40,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:40,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:40,702 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:40,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-12-06 02:13:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:41,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:41,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:41,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:41,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:42,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:42,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:42,131 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:42,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:42,227 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:42,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:42,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:42,285 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:42,289 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:42,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:42,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-12-06 02:13:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:42,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:42,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:42,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:42,451 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:42,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-12-06 02:13:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:43,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:43,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:43,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:43,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:43,638 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:43,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:43,749 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:43,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:43,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:43,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:43,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:43,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:43,830 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:43,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:43,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:43,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-12-06 02:13:43,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:43,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:43,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:43,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:43,990 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:43,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-12-06 02:13:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:44,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:45,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:45,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:45,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:45,117 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:45,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:45,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:45,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:45,351 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:45,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:45,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:45,403 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:45,407 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:45,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:45,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-12-06 02:13:45,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:45,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:45,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:45,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:45,562 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:45,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-12-06 02:13:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:46,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:47,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:13:47,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:47,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:47,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:47,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:47,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:47,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:47,333 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:47,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:47,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:47,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:47,391 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:47,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:47,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:47,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-12-06 02:13:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:47,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:47,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:47,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:47,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:47,563 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:47,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-12-06 02:13:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:48,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:48,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:13:48,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:48,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:48,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:48,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:49,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:49,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:49,217 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:49,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:49,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:49,281 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:49,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:49,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:49,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-12-06 02:13:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:49,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:49,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:49,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:49,445 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:49,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-12-06 02:13:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:50,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:50,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:13:50,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:50,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:50,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:50,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:51,092 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:51,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:51,120 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:51,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:51,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:51,181 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:51,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:51,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:51,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-12-06 02:13:51,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:51,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:51,342 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:51,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-12-06 02:13:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:52,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:52,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:52,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:52,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:52,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:52,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:52,541 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:52,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:52,645 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:52,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:52,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:52,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:52,707 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:52,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:52,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:52,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-12-06 02:13:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:52,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:52,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:52,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:52,872 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:52,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-12-06 02:13:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:53,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:54,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:13:54,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:54,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:54,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:54,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:54,354 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:54,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:54,384 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:54,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:54,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:54,443 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:54,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:54,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:54,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-12-06 02:13:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:54,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:54,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:54,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:54,601 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:54,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-12-06 02:13:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:55,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:55,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:55,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:55,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:55,726 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:55,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:55,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:55,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:55,861 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:55,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:55,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:55,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:55,928 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:55,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:55,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:56,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-12-06 02:13:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:56,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:56,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:56,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:56,088 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:56,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-12-06 02:13:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:57,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:57,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:13:57,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:57,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:13:57,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:57,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:13:57,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:57,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:13:58,096 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:58,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:13:58,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:58,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:13:58,156 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:13:58,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:58,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:13:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:13:58,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-12-06 02:13:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:13:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:13:58,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:13:58,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:58,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:58,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:58,320 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:58,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-12-06 02:13:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:59,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:59,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:13:59,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:59,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:00,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:00,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:00,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:00,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:00,291 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:00,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:00,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:00,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:00,353 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:00,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:00,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:00,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-12-06 02:14:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:00,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:00,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:00,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:00,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:00,515 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:00,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-12-06 02:14:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:01,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:02,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:02,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:02,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:02,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:02,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:02,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:02,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:02,440 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:02,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:02,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:02,504 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:02,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:02,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:02,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-12-06 02:14:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:02,666 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:02,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:02,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:02,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:02,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:02,668 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:02,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-12-06 02:14:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:03,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:04,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:04,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:04,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:04,102 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:04,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:04,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:04,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:04,242 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:04,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:04,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:04,306 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:04,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:04,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:04,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-12-06 02:14:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:04,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:04,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:04,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:04,466 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:04,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-12-06 02:14:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:05,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:06,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:06,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:06,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:06,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:06,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:06,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:06,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:06,672 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:06,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:06,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:06,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:06,736 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:06,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:06,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:06,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-12-06 02:14:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:06,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:06,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:06,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:06,909 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:06,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-12-06 02:14:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:07,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:08,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:08,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:08,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:08,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:08,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:08,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:08,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:08,682 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:08,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:08,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:08,745 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:08,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:08,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:08,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-12-06 02:14:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:08,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:08,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:08,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:08,931 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:08,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-12-06 02:14:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:09,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:10,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:10,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:10,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:10,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:10,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:10,405 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:10,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:10,517 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:10,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:10,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:10,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:10,575 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:10,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:10,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:10,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-12-06 02:14:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:10,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:10,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:10,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:10,743 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:10,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-12-06 02:14:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:11,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:12,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:12,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:12,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:12,490 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:12,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:12,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:12,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:12,705 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:12,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:12,710 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:12,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:12,763 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:12,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:12,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:12,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-12-06 02:14:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:12,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:12,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:12,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:12,918 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:12,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-12-06 02:14:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:13,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:14,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:14:14,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:14,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:14,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:14,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:14,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:14,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:14,712 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:14,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:14,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:14,777 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:14,780 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:14,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:14,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:14,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-12-06 02:14:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:14,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:14,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:14,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:14,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:14,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:14,947 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:14,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-12-06 02:14:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:15,906 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:16,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:16,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:16,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:16,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:16,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:16,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:16,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:16,557 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:16,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:16,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:16,615 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:16,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:16,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:16,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-12-06 02:14:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:16,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:16,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:16,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:16,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:16,776 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:16,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-12-06 02:14:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:17,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:18,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:14:18,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:18,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:18,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:18,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:18,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:18,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:18,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:18,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:18,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:18,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:18,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:18,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:19,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-12-06 02:14:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:19,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:19,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:19,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:19,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:19,088 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:19,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-12-06 02:14:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:20,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:20,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:14:20,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:20,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:20,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:20,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:20,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:20,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:20,437 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:20,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:20,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:20,502 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:20,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:20,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:20,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-12-06 02:14:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:20,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:20,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:20,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:20,670 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:20,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-12-06 02:14:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:21,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:22,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:22,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:22,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:22,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:22,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:22,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:22,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:22,250 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:22,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:22,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:22,317 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:22,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:22,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:22,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-12-06 02:14:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:22,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:22,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:22,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:22,498 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:22,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-12-06 02:14:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:23,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:23,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:23,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:23,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:23,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:23,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:24,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:24,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:24,042 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:24,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:24,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:24,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:24,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:24,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:24,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:24,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-12-06 02:14:24,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:24,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:24,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:24,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:24,272 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:24,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-12-06 02:14:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:25,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:25,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:25,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:25,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:25,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:25,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:25,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:25,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:26,042 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:26,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:26,048 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:26,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:26,104 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:26,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:26,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:26,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-12-06 02:14:26,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:26,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:26,267 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:26,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:26,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:26,269 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:26,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-12-06 02:14:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:27,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:27,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:27,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:27,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:27,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:27,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:27,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:27,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:27,908 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:27,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:27,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:27,966 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:27,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:27,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:28,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-12-06 02:14:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:28,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:28,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:28,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:28,136 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:28,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-12-06 02:14:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:29,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:29,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:29,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:29,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:29,485 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:29,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:29,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:29,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:29,717 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:29,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:29,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:29,780 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:29,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:29,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:29,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-12-06 02:14:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:29,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:29,943 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:29,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:29,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:29,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:29,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:29,945 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:29,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-12-06 02:14:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:30,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:31,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:31,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:31,574 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:31,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:31,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:31,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:31,797 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:31,803 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:31,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:31,865 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:31,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:31,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:32,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-12-06 02:14:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:32,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:32,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:32,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:32,031 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:32,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-12-06 02:14:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:32,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:33,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:33,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:33,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:33,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:33,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:33,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:33,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:33,856 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:33,862 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:33,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:33,924 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:33,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:33,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:34,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-12-06 02:14:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:34,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:34,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:34,083 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:34,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-12-06 02:14:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:35,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:35,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:35,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:35,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:35,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:35,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:35,360 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:35,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:35,392 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:35,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:35,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:35,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:35,459 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:35,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:35,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:35,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-12-06 02:14:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:35,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:35,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:35,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:35,637 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:35,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-12-06 02:14:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:36,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:37,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:37,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:37,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:37,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:37,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:37,749 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:37,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:37,864 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:37,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:37,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:37,937 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:37,942 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:37,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:38,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-12-06 02:14:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:38,113 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:38,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:38,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:38,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:38,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:38,115 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:38,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-12-06 02:14:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:39,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:39,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:39,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:39,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:39,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:39,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:39,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:39,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:39,926 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:39,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:39,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:39,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:39,993 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:39,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:39,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:40,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-12-06 02:14:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:40,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:40,170 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:40,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:40,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:40,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:40,172 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:40,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-12-06 02:14:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:41,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:41,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:41,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:41,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:41,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:41,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:41,533 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:41,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:41,640 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:41,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:41,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:41,700 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:41,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:41,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:41,828 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:41,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-12-06 02:14:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:41,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:41,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:41,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:41,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:41,866 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:41,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-12-06 02:14:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:42,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:43,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:14:43,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:43,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:43,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:43,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:43,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:43,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:43,574 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:43,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:43,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:43,641 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:43,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:43,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:43,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-12-06 02:14:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:43,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:43,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:43,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:43,799 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:43,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-12-06 02:14:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:44,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:45,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:14:45,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:45,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:45,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:45,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:45,328 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:45,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:45,420 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:45,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:45,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:45,472 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:45,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:45,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:45,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-12-06 02:14:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:45,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:45,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:45,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:45,632 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:45,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-12-06 02:14:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:46,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:47,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:47,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:47,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:47,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:47,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:47,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:47,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:47,587 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:47,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:47,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:47,649 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:47,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:47,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:47,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-12-06 02:14:47,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:47,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:47,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:47,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:47,802 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:47,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-12-06 02:14:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:48,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:49,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:49,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:49,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:49,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:49,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:49,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:49,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:49,439 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:49,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:49,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:49,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:49,505 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:49,510 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:49,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:49,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-12-06 02:14:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:49,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:49,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:49,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:49,677 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:49,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-12-06 02:14:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:50,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:51,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:51,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:51,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:51,144 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:51,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:51,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:51,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:51,300 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:51,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:51,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:51,359 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:51,363 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:51,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:51,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-12-06 02:14:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:51,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:51,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:51,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:51,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:51,531 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:51,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-12-06 02:14:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:52,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:53,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:53,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:53,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:53,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:53,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:53,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:53,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:53,327 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:53,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:53,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:53,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:53,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:53,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:53,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:53,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-12-06 02:14:53,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:53,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:53,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:53,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:53,534 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:53,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-12-06 02:14:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:54,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:55,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:55,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:55,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:55,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:55,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:56,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:56,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:56,114 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:56,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:56,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:56,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:56,184 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:56,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:56,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:56,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-12-06 02:14:56,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:56,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:56,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:56,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:56,354 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:56,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-12-06 02:14:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:57,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:57,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:14:57,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:57,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:57,679 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:57,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:57,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:57,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:57,879 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:57,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:57,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:57,932 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:57,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:57,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:14:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:14:58,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-12-06 02:14:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:14:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:14:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:14:58,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:58,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:58,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:58,100 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:58,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-12-06 02:14:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:59,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:59,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:14:59,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:59,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:14:59,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:59,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:14:59,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:59,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:14:59,854 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:59,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:14:59,858 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:59,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:14:59,909 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:14:59,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:14:59,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:00,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-12-06 02:15:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:00,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:00,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:00,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:00,056 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:00,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-12-06 02:15:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:00,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:01,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:15:01,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:01,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:01,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:01,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:01,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:01,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:01,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:01,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:01,430 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:01,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:01,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:01,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-12-06 02:15:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:01,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:01,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:01,565 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:01,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-12-06 02:15:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:02,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:03,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:03,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:03,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:03,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:03,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:03,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:03,508 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:03,513 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:03,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:03,564 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:03,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:03,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:03,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-12-06 02:15:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:03,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:03,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:03,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:03,718 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:03,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-12-06 02:15:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:04,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:05,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:05,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:05,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:05,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:05,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:05,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:05,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:05,949 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:05,953 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:05,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:05,995 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:05,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:05,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:06,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-12-06 02:15:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:06,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:06,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:06,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:06,122 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:06,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-12-06 02:15:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:07,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:07,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:07,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:07,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:07,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:07,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:07,685 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:07,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:07,705 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:07,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:07,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:07,752 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:07,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:07,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:07,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Forceful destruction successful, exit code 0 [2024-12-06 02:15:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:07,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:07,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:07,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:07,901 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:07,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-12-06 02:15:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:08,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:09,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:09,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:09,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:09,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:09,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:09,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:09,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:09,354 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:09,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:09,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:09,413 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:09,417 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:09,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:09,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-12-06 02:15:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:09,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:09,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:09,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:09,578 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:09,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-12-06 02:15:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:10,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:10,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:10,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:10,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:10,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:10,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:10,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:10,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:10,871 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:10,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:10,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:10,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:10,930 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:10,934 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:10,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:11,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-12-06 02:15:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:11,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:11,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:11,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:11,102 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:11,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-12-06 02:15:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:12,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:12,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:12,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:12,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:12,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:12,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:12,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:12,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:12,638 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:12,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:12,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:12,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:12,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:12,691 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:12,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:12,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-12-06 02:15:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:12,815 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:12,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:12,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:12,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:12,816 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:12,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-12-06 02:15:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:13,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:14,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:14,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:14,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:14,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:14,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:14,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:14,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:14,230 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:14,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:14,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:14,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:14,291 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:14,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:14,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:14,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-12-06 02:15:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:14,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:14,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:14,445 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:14,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-12-06 02:15:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:16,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:16,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:16,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:16,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:16,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:16,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:16,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:16,444 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:16,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:16,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:16,505 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:16,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:16,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:16,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-12-06 02:15:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:16,658 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:16,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:16,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:16,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:16,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:16,660 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:16,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-12-06 02:15:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:17,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:17,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:17,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:17,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:17,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:17,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:18,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:18,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:18,207 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:18,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:18,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:18,263 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:18,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:18,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:18,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-12-06 02:15:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:18,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:18,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:18,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:18,424 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:18,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-12-06 02:15:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:19,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:19,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:19,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:19,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:19,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:19,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:19,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:19,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:19,901 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:19,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:19,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:19,958 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:19,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:19,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:20,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-12-06 02:15:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:20,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:20,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:20,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:20,101 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:20,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-12-06 02:15:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:21,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:21,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:21,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:21,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:21,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:21,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:22,042 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:22,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:22,068 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:22,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:22,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:22,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:22,122 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:22,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:22,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-12-06 02:15:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:22,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:22,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:22,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:22,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:22,287 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:22,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-12-06 02:15:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:23,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:23,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:23,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:23,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:23,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:23,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:23,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:23,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:23,854 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:23,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:23,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:23,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:23,907 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:23,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:23,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:24,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-12-06 02:15:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:24,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:24,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:24,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:24,084 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:24,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-12-06 02:15:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:25,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:25,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:25,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:25,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:25,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:25,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:25,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:25,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:25,996 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:26,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:26,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:26,048 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:26,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:26,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:26,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-12-06 02:15:26,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:26,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:26,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:26,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:26,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:26,201 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:26,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-12-06 02:15:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:27,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:28,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:28,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:28,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:28,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:28,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:28,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:28,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:29,103 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:29,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:29,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:29,168 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:29,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:29,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:29,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-12-06 02:15:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:29,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:29,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:29,346 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:29,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-12-06 02:15:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:30,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:30,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:30,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:30,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:30,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:30,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:30,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:30,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:30,869 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:30,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:30,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:30,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:30,917 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:30,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:30,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:31,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-12-06 02:15:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:31,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:31,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:31,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:31,073 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:31,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-12-06 02:15:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:32,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:32,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:32,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:32,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:32,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:32,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:32,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:32,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:32,468 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:32,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:32,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:32,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:32,529 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:32,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:32,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-12-06 02:15:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:32,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:32,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:32,685 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:32,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-12-06 02:15:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:33,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:34,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:34,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:34,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:34,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:34,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:34,325 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:34,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:34,424 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:34,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:34,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:34,471 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:34,474 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:34,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:34,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-12-06 02:15:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:34,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:34,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:34,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:34,622 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:34,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-12-06 02:15:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:35,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:36,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:36,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:36,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:36,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:36,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:36,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:36,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:36,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:36,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:36,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:36,411 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:36,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:36,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:36,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-12-06 02:15:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:36,575 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:36,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:36,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:36,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:36,577 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:36,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-12-06 02:15:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:37,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:38,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:38,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:38,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:38,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:38,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:38,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:38,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:38,344 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:38,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:38,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:38,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:38,406 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:38,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:38,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:38,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-12-06 02:15:38,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:38,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:38,568 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:38,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:38,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:38,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:38,569 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:38,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-12-06 02:15:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:39,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:40,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:40,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:40,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:40,196 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:40,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:40,302 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:40,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:40,409 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:40,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:40,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:40,458 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:40,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:40,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:40,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-12-06 02:15:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:40,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:40,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:40,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:40,597 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:40,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-12-06 02:15:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:41,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:42,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:42,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:42,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:42,307 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:42,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:42,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:42,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:42,446 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:42,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:42,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:42,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:42,498 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:42,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:42,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:42,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-12-06 02:15:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:42,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:42,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:42,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:42,644 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:42,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-12-06 02:15:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:43,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:44,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:44,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:44,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:44,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:44,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:44,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:44,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:44,841 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:44,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:44,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:44,893 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:44,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:44,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:45,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-12-06 02:15:45,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:45,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:45,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:45,045 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:45,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-12-06 02:15:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:46,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:46,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:46,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:46,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:46,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:46,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:46,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:46,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:46,466 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:46,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:46,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:46,513 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:46,516 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:46,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:46,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-12-06 02:15:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:46,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:46,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:46,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:46,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:46,650 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:46,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-12-06 02:15:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:47,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:48,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:48,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:48,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:48,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:48,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:48,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:48,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:48,274 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:48,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:48,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:48,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:48,327 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:48,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:48,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:48,450 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:48,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-12-06 02:15:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:48,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:48,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:48,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:48,487 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:48,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-12-06 02:15:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:49,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:49,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:49,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:49,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:49,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:49,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:49,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:49,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:49,811 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:49,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:49,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:49,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:49,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:49,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:49,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:49,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-12-06 02:15:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:50,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:50,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:50,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:50,022 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:50,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-12-06 02:15:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:51,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:51,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:15:51,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:51,276 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:51,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:51,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:51,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:51,470 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:51,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:51,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:51,521 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:51,524 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:51,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:51,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-12-06 02:15:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:51,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:51,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:51,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:51,667 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:51,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-12-06 02:15:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:52,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:53,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:53,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:53,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:53,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:53,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:53,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:53,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:53,346 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:53,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:53,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:53,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:53,393 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:53,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:53,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:53,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-12-06 02:15:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:53,529 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:53,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:53,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:53,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:53,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:53,530 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:53,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-12-06 02:15:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:54,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:54,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:54,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:54,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:54,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:54,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:54,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:54,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:54,995 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:55,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:55,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:55,056 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:55,059 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:55,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:55,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-12-06 02:15:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:55,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:55,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:55,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:55,203 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:55,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-12-06 02:15:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:56,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:56,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:15:56,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:56,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:56,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:56,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:57,076 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:57,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:57,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:57,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:57,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:57,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:57,150 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:57,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:57,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:57,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-12-06 02:15:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:57,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:57,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:57,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:57,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:57,305 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:57,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-12-06 02:15:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:58,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:59,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:15:59,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:59,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:15:59,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:59,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:15:59,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:59,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:15:59,208 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:15:59,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:59,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:15:59,263 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:15:59,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:59,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:15:59,380 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:15:59,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2024-12-06 02:15:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:59,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:15:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:15:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:59,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:59,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:59,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:59,417 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:59,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-12-06 02:16:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:00,411 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:00,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:16:00,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:00,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:00,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:00,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:00,692 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:00,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:00,718 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:00,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:00,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:00,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:00,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:00,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:00,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:00,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-12-06 02:16:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:00,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:00,920 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:00,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-12-06 02:16:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:02,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:02,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:02,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:02,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:02,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:02,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:02,858 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:02,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:02,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:02,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:02,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:02,944 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:02,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:02,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:03,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Forceful destruction successful, exit code 0 [2024-12-06 02:16:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:03,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:03,100 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:03,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:03,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:03,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:03,102 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:03,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-12-06 02:16:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:04,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:04,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:04,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:04,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:04,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:04,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:04,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:04,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:04,654 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:04,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:04,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:04,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:04,707 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:04,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:04,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:04,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-12-06 02:16:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:04,858 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:04,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:04,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:04,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:04,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:04,860 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:04,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-12-06 02:16:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:06,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:06,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:16:06,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:06,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:06,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:06,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:06,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:06,589 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:06,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:06,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:06,640 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:06,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:06,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:06,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-12-06 02:16:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:06,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:06,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:06,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:06,782 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:06,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-12-06 02:16:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:07,795 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:07,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:07,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:07,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:07,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:07,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:08,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:08,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:08,177 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:08,181 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:08,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:08,224 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:08,227 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:08,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:08,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-12-06 02:16:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:08,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:08,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:08,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:08,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:08,353 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:08,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-12-06 02:16:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:09,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:09,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:16:09,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:09,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:09,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:09,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:09,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:09,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:09,797 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:09,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:09,801 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:09,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:09,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:09,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:09,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:09,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-12-06 02:16:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:09,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:09,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:09,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:09,994 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:09,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-12-06 02:16:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:11,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:12,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:12,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:12,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:12,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:12,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:12,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:12,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:12,224 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:12,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:12,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:12,273 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:12,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:12,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:12,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-12-06 02:16:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:12,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:12,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:12,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:12,406 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:12,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-12-06 02:16:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:13,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:13,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:13,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:13,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:13,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:13,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:14,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:14,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:14,095 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:14,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:14,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:14,142 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:14,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:14,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:14,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-12-06 02:16:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:14,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:14,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:14,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:14,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:14,294 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:14,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-12-06 02:16:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:15,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:15,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:16:15,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:15,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:15,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:15,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:15,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:15,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:15,731 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:15,736 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:15,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:15,794 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:15,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:15,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:15,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-12-06 02:16:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:15,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:15,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:15,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:15,947 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:15,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-12-06 02:16:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:17,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:17,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:16:17,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:17,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:17,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:17,485 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:17,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:17,567 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:17,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:17,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:17,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:17,620 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:17,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:17,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:17,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-12-06 02:16:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:17,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:17,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:17,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:17,778 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:17,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-12-06 02:16:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:18,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:19,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:19,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:19,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:19,129 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:19,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:19,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:19,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:19,259 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:19,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:19,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:19,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:19,314 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:19,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:19,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:19,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-12-06 02:16:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:19,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:19,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:19,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:19,472 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:19,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-12-06 02:16:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:20,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:20,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:16:20,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:20,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:20,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:20,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:21,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:21,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:21,030 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:21,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:21,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:21,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:21,085 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:21,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:21,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:21,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-12-06 02:16:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:21,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:21,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:21,236 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:21,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-12-06 02:16:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:22,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:22,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:16:22,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:22,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:22,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:22,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:22,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:22,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:22,837 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:22,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:22,840 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:22,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:22,884 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:22,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:22,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:23,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-12-06 02:16:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:23,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:23,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:23,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:23,023 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:23,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-12-06 02:16:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:24,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:24,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:24,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:24,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:24,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:24,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:24,420 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:24,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:24,501 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:24,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:24,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:24,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:24,553 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:24,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:24,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:24,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-12-06 02:16:24,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:24,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:24,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:24,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:24,693 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:24,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-12-06 02:16:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:25,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:26,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:16:26,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:26,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:26,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:26,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:26,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:26,876 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:26,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:26,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:26,929 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:26,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:26,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:27,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-12-06 02:16:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:27,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:27,078 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:27,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-12-06 02:16:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:28,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:28,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:28,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:28,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:28,464 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:28,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:28,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:28,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:28,671 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:28,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:28,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:28,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:28,724 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:28,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:28,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:28,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-12-06 02:16:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:28,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:28,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:28,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:28,876 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:28,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-12-06 02:16:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:29,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:30,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:16:30,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:30,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:30,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:30,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:30,541 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:30,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:30,619 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:30,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:30,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:30,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:30,667 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:30,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:30,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:30,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-12-06 02:16:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:30,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:30,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:30,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:30,806 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:30,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-12-06 02:16:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:32,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:32,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:16:32,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:32,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:32,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:32,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:32,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:32,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:32,419 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:32,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:32,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:32,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:32,467 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:32,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:32,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:32,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-12-06 02:16:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:32,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:32,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:32,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:32,589 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:32,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-12-06 02:16:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:33,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:33,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:33,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:33,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:34,043 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:34,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:34,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:34,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:34,173 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:34,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:34,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:34,222 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:34,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:34,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:34,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-12-06 02:16:34,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:34,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:34,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:34,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:34,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:34,359 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:34,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-12-06 02:16:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:35,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:35,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:16:35,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:35,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:36,008 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:36,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:36,110 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:36,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:36,137 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:36,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:36,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:36,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:36,194 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:36,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:36,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:36,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-12-06 02:16:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:36,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:36,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:36,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:36,344 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:36,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-12-06 02:16:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:37,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:37,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:37,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:37,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:37,749 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:37,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:37,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:37,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:37,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:37,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:37,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:37,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:37,924 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:37,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:37,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:38,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-12-06 02:16:38,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:38,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:38,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:38,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:38,067 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:38,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-12-06 02:16:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:39,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:39,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:39,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:39,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:39,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:39,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:39,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:39,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:39,601 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:39,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:39,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:39,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:39,648 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:39,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:39,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:39,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-12-06 02:16:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:39,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:39,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:39,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:39,783 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:39,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-12-06 02:16:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:40,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:41,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:16:41,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:41,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:41,667 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:41,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:41,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:41,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:41,843 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:41,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:41,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:41,900 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:41,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:41,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:42,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-12-06 02:16:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:42,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:42,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:42,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:42,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:42,040 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:42,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-12-06 02:16:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:43,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:43,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:43,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:43,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:43,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:43,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:43,352 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:43,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:43,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:43,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:43,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:43,443 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:43,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:43,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:43,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-12-06 02:16:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:43,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:43,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:43,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:43,582 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:43,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-12-06 02:16:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:44,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:45,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:45,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:45,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:45,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:45,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:45,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:45,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:45,452 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:45,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:45,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:45,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:45,503 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:45,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:45,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:45,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-12-06 02:16:45,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:45,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:45,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:45,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:45,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:45,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:45,644 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:45,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-12-06 02:16:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:46,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:46,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:46,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:46,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:47,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:47,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:47,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:47,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:47,184 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:47,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:47,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:47,233 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:47,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:47,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:47,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-12-06 02:16:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:47,373 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:47,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:47,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:47,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:47,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:47,374 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:47,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-12-06 02:16:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:48,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:48,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:16:48,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:48,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:49,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:49,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:49,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:49,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:49,177 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:49,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:49,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:49,230 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:49,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:49,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:49,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-12-06 02:16:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:49,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:49,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:49,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:49,369 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:49,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-12-06 02:16:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:50,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:50,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:50,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:50,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:50,973 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:50,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:51,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:51,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:51,111 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:51,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:51,115 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:51,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:51,157 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:51,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:51,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:51,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-12-06 02:16:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:51,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:51,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:51,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:51,285 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:51,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-12-06 02:16:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:52,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:52,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:16:52,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:52,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:52,738 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:52,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:52,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:52,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:52,872 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:52,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:52,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:52,926 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:52,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:52,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:53,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-12-06 02:16:53,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:53,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:53,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:53,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:53,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:53,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:53,082 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:53,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-12-06 02:16:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:54,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:54,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:16:54,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:54,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:54,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:54,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:54,566 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:54,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:54,666 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:54,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:54,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:54,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:54,724 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:54,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:54,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:54,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-12-06 02:16:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:54,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:54,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:54,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:54,872 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:54,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-12-06 02:16:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:56,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:56,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:16:56,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:56,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:56,243 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:56,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:56,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:56,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:56,372 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:56,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:56,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:56,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:56,423 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:56,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:56,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:56,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Forceful destruction successful, exit code 0 [2024-12-06 02:16:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:56,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:56,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:56,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:56,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:56,566 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:56,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-12-06 02:16:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:57,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:58,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:16:58,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:58,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:16:58,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:58,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:16:58,418 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:58,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:16:58,518 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:58,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:58,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:58,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:16:58,575 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:16:58,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:58,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:16:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:16:58,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-12-06 02:16:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:58,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:16:58,727 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:16:58,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:16:58,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:58,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:58,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:58,728 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:58,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-12-06 02:16:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:59,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:00,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:00,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:00,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:00,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:00,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:00,251 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:00,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:00,342 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:00,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:00,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:00,403 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:00,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:00,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:00,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Forceful destruction successful, exit code 0 [2024-12-06 02:17:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:00,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:00,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:00,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:00,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:00,562 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:00,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-12-06 02:17:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:01,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:01,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:17:01,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:01,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:01,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:02,083 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:02,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:02,163 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:02,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:02,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:02,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:02,218 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:02,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:02,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:02,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-12-06 02:17:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:02,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:02,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:02,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:02,379 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:02,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-12-06 02:17:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:03,411 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:03,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:17:03,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:03,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:03,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:03,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:03,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:03,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:03,918 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:03,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:03,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:03,975 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:03,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:03,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:04,092 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:04,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-12-06 02:17:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:04,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:04,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:04,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:04,130 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:04,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-12-06 02:17:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:05,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:05,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:05,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:05,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:05,686 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:05,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:05,800 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:05,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:05,826 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:05,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:05,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:05,882 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:05,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:05,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:06,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-12-06 02:17:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:06,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:06,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:06,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:06,032 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:06,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-12-06 02:17:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:07,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:07,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:07,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:07,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:07,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:07,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:07,793 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:07,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:07,883 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:07,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:07,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:07,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:07,936 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:07,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:07,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:08,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-12-06 02:17:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:08,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:08,072 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:08,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:08,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:08,073 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:08,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-12-06 02:17:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:09,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:09,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:09,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:09,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:09,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:09,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:09,770 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:09,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:09,793 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:09,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:09,798 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:09,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:09,850 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:09,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:09,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:09,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-12-06 02:17:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:09,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:09,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:09,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:09,993 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:09,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-12-06 02:17:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:11,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:12,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:12,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:12,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:12,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:12,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:12,513 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:12,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:12,597 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:12,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:12,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:12,653 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:12,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:12,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:12,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-12-06 02:17:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:12,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:12,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:12,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:12,798 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:12,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-12-06 02:17:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:14,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:14,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:14,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:14,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:14,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:14,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:14,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:14,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:14,573 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:14,577 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:14,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:14,620 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:14,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:14,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:14,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-12-06 02:17:14,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:14,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:14,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:14,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:14,759 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:14,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-12-06 02:17:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:15,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:16,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:17:16,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:16,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:16,117 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:16,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:16,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:16,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:16,284 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:16,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:16,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:16,330 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:16,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:16,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:16,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-12-06 02:17:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:16,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:16,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:16,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:16,463 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:16,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-12-06 02:17:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:17,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:18,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:18,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:18,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:18,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:18,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:18,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:18,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:18,405 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:18,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:18,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:18,465 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:18,468 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:18,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:18,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-12-06 02:17:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:18,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:18,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:18,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:18,602 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:18,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-12-06 02:17:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:19,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:19,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:19,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:19,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:20,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:20,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:20,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:20,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:20,165 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:20,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:20,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:20,215 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:20,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:20,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:20,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-12-06 02:17:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:20,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:20,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:20,358 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:20,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-12-06 02:17:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:21,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:22,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:22,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:22,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:22,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:22,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:22,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:22,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:22,666 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:22,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:22,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:22,721 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:22,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:22,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:22,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-12-06 02:17:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:22,874 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:22,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:22,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:22,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:22,876 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:22,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-12-06 02:17:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:24,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:24,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:24,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:24,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:24,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:24,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:24,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:24,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:24,585 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:24,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:24,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:24,639 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:24,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:24,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:24,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-12-06 02:17:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:24,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:24,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:24,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:24,776 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:24,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-12-06 02:17:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:25,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:26,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:26,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:26,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:26,328 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:26,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:26,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:26,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:26,442 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:26,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:26,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:26,487 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:26,490 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:26,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:26,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-12-06 02:17:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:26,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:26,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:26,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:26,615 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:26,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-12-06 02:17:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:27,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:28,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:28,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:28,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:28,183 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:28,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:28,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:28,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:28,312 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:28,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:28,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:28,371 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:28,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:28,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:28,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-12-06 02:17:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:28,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:28,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:28,504 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:28,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-12-06 02:17:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:29,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:30,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:17:30,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:30,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:30,283 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:30,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:30,373 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:30,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:30,459 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:30,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:30,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:30,506 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:30,510 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:30,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:30,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-12-06 02:17:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:30,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:30,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:30,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:30,650 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:30,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-12-06 02:17:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:31,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:32,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:32,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:32,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:32,420 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:32,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:32,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:32,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:32,540 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:32,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:32,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:32,595 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:32,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:32,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:32,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-12-06 02:17:32,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:32,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:32,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:32,735 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:32,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-12-06 02:17:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:34,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:34,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:34,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:34,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:34,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:34,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:34,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:34,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:34,625 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:34,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:34,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:34,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:34,674 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:34,678 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:34,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:34,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-12-06 02:17:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:34,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:34,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:34,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:34,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:34,834 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:34,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-12-06 02:17:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:36,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:36,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:36,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:36,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:36,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:36,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:36,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:36,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:36,728 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:36,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:36,732 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:36,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:36,773 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:36,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:36,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:36,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-12-06 02:17:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:36,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:36,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:36,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:36,906 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:36,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-12-06 02:17:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:38,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:38,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:38,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:38,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:38,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:38,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:38,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:38,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:38,575 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:38,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:38,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:38,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:38,628 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:38,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:38,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:38,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-12-06 02:17:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:38,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:38,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:38,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:38,763 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:38,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-12-06 02:17:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:40,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:40,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:40,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:40,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:40,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:40,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:40,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:40,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:40,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:40,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:40,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:40,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:40,449 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:40,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:40,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:40,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-12-06 02:17:40,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:40,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:40,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:40,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:40,583 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:40,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-12-06 02:17:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:41,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:41,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:17:41,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:41,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:41,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:41,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:42,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:42,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:42,170 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:42,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:42,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:42,217 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:42,220 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:42,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:42,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-12-06 02:17:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:42,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:42,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:42,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:42,347 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:42,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-12-06 02:17:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:43,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:43,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:17:43,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:43,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:43,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:43,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:43,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:43,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:43,891 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:43,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:43,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:43,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:43,942 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:43,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:43,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:44,049 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:44,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2024-12-06 02:17:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:44,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:44,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:44,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:44,087 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:44,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-12-06 02:17:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:45,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:45,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:45,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:45,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:45,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:45,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:45,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:45,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:45,728 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:45,732 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:45,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:45,775 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:45,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:45,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:45,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2024-12-06 02:17:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:45,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:45,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:45,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:45,912 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:45,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-12-06 02:17:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:47,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:47,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:17:47,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:47,273 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:47,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:47,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:47,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:47,407 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:47,411 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:47,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:47,458 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:47,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:47,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:47,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-12-06 02:17:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:47,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:47,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:47,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:47,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:47,587 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:47,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-12-06 02:17:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:48,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:49,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:49,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:49,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:49,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:49,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:49,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:49,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:49,295 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:49,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:49,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:49,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:49,344 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:49,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:49,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:49,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-12-06 02:17:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:49,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:49,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:49,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:49,483 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:49,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-12-06 02:17:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:50,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:51,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:51,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:51,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:51,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:51,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:51,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:51,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:51,294 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:51,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:51,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:51,340 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:51,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:51,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:51,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2024-12-06 02:17:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:51,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:51,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:51,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:51,482 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:51,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-12-06 02:17:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:52,668 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:52,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:17:52,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:52,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:52,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:52,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:52,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:52,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:52,998 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:52,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:53,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:53,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:53,046 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:53,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:53,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:53,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-12-06 02:17:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:53,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:53,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:53,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:53,186 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:53,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-12-06 02:17:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:54,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:54,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:54,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:54,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:54,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:54,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:54,839 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:54,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:54,860 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:54,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:54,864 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:54,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:54,908 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:54,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:54,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:55,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-12-06 02:17:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:55,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:55,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:55,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:55,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:55,038 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:55,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-12-06 02:17:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:56,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:56,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:17:56,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:56,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:17:56,523 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:56,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:56,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:56,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:56,695 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:56,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:56,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:56,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:56,743 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:56,746 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:56,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:56,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-12-06 02:17:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:56,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:56,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:56,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:56,877 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:56,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-12-06 02:17:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:58,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:58,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:17:58,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:58,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:58,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:17:58,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:58,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:17:58,635 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:17:58,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:58,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:17:58,682 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:17:58,684 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:17:58,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:17:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:17:58,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-12-06 02:17:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:17:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:17:58,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:17:58,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:58,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:58,819 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:58,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-12-06 02:18:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:00,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:00,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:18:00,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:00,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:00,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:00,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:00,328 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:00,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:00,354 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:00,358 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:00,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:00,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:00,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:00,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:00,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-12-06 02:18:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:00,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:00,540 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:00,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-12-06 02:18:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:01,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:02,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:02,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:02,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:02,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:02,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:02,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:02,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:03,052 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:03,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:03,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:03,104 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:03,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:03,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:03,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (447)] Forceful destruction successful, exit code 0 [2024-12-06 02:18:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:03,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:03,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:03,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:03,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:03,266 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:03,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-12-06 02:18:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:04,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:04,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:04,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:04,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:04,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:04,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:04,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:04,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:04,984 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:04,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:04,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:05,034 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:05,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:05,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:05,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2024-12-06 02:18:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:05,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:05,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:05,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:05,177 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:05,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-12-06 02:18:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:06,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:06,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:06,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:06,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:06,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:06,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:06,700 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:06,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:06,791 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:06,796 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:06,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:06,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:06,850 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:06,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:06,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-12-06 02:18:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:06,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:06,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:06,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:06,999 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:06,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-12-06 02:18:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:08,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:08,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:08,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:08,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:08,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:08,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:08,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:08,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:08,713 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:08,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:08,718 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:08,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:08,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:08,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:08,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:08,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2024-12-06 02:18:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:08,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:08,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:08,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:08,932 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:08,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-12-06 02:18:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:10,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:10,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:10,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:10,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:10,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:10,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:10,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:10,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:10,484 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:10,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:10,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:10,540 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:10,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:10,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:10,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-12-06 02:18:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:10,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:10,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:10,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:10,703 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:10,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-12-06 02:18:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:11,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:11,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:11,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:11,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:12,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:12,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:12,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:12,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:12,218 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:12,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:12,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:12,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:12,272 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:12,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:12,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:12,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-12-06 02:18:12,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:12,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:12,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:12,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:12,416 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:12,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-12-06 02:18:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:13,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:14,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:14,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:14,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:14,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:14,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:14,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:14,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:14,500 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:14,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:14,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:14,552 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:14,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:14,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:14,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2024-12-06 02:18:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:14,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:14,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:14,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:14,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:14,688 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:14,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-12-06 02:18:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:15,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:17,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:18:17,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:17,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:17,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:17,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:17,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:17,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:17,264 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:17,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:17,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:17,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:17,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:17,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-12-06 02:18:17,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:17,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:17,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:17,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:17,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:17,453 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:17,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-12-06 02:18:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:18,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:18,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:18,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:18,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:18,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:18,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:18,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:18,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:19,078 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:19,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:19,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:19,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:19,131 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:19,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:19,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:19,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-12-06 02:18:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:19,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:19,270 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:19,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:19,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:19,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:19,272 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:19,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-12-06 02:18:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:20,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:20,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:20,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:21,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:21,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:21,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:21,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:21,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:21,257 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:21,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:21,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:21,305 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:21,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:21,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:21,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-12-06 02:18:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:21,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:21,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:21,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:21,434 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:21,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-12-06 02:18:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:22,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:22,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:22,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:22,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:22,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:22,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:23,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:23,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:23,061 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:23,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:23,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:23,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:23,109 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:23,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:23,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:23,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-12-06 02:18:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:23,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:23,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:23,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:23,252 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:23,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-12-06 02:18:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:24,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:24,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:24,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:24,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:24,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:24,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:24,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:24,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:24,954 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:24,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:24,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:24,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:25,009 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:25,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:25,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:25,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-12-06 02:18:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:25,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:25,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:25,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:25,166 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:25,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-12-06 02:18:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:26,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:26,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:26,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:26,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:26,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:26,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:26,806 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:26,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:26,886 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:26,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:26,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:26,940 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:26,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:26,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:27,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-12-06 02:18:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:27,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:27,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:27,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:27,099 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:27,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-12-06 02:18:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:28,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:28,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:28,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:28,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:28,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:28,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:28,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:28,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:28,752 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:28,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:28,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:28,796 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:28,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:28,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:28,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (460)] Ended with exit code 0 [2024-12-06 02:18:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:28,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:28,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:28,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:28,933 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:28,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-12-06 02:18:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:30,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:30,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:30,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:30,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:30,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:30,625 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:30,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:30,649 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:30,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:30,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:30,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:30,696 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:30,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:30,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:30,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (461)] Ended with exit code 0 [2024-12-06 02:18:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:30,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:30,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:30,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:30,830 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:30,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-12-06 02:18:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:32,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:32,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:32,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:32,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:32,306 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:32,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:32,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:32,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:32,495 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:32,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:32,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:32,545 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:32,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:32,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:32,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (462)] Ended with exit code 0 [2024-12-06 02:18:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:32,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:32,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:32,686 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:32,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-12-06 02:18:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:34,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:34,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:18:34,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:34,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:34,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:34,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:34,988 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:34,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:35,013 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:35,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:35,017 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:35,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:35,062 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:35,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:35,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:35,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (463)] Ended with exit code 0 [2024-12-06 02:18:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:35,196 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:35,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:35,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:35,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:35,198 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:35,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-12-06 02:18:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:36,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:36,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:36,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:36,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:36,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:36,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:36,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:36,970 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:36,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:36,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:37,012 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:37,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:37,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:37,104 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:37,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (464)] Ended with exit code 0 [2024-12-06 02:18:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:37,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:37,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:37,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:37,149 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:37,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-12-06 02:18:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:38,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:38,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:38,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:38,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:38,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:38,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:38,682 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:38,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:38,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:38,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:38,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:38,809 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:38,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:38,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:38,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (465)] Ended with exit code 0 [2024-12-06 02:18:38,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:38,953 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:38,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:38,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:38,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:38,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:38,954 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:38,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-12-06 02:18:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:40,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:40,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:40,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:40,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:40,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:40,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:40,483 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:40,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:40,562 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:40,566 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:40,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:40,613 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:40,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:40,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:40,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (466)] Ended with exit code 0 [2024-12-06 02:18:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:40,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:40,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:40,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:40,759 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:40,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-12-06 02:18:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:42,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:42,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:42,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:42,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:42,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:42,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:42,477 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:42,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:42,564 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:42,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:42,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:42,620 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:42,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:42,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:42,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (467)] Ended with exit code 0 [2024-12-06 02:18:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:42,759 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:42,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:42,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:42,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:42,761 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:42,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-12-06 02:18:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:44,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:44,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:44,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:44,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:44,465 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:44,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:44,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:44,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:44,592 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:44,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:44,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:44,650 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:44,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:44,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:44,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (468)] Ended with exit code 0 [2024-12-06 02:18:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:44,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:44,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:44,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:44,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:44,800 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:44,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-12-06 02:18:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:45,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:46,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:46,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:46,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:46,477 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:46,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:46,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:46,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:46,657 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:46,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:46,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:46,704 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:46,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:46,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:46,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (469)] Ended with exit code 0 [2024-12-06 02:18:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:46,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:46,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:46,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:46,846 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:46,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-12-06 02:18:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:48,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:48,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:48,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:48,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:48,464 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:48,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:48,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:48,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:48,583 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:48,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:48,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:48,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:48,630 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:48,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:48,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:48,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (470)] Ended with exit code 0 [2024-12-06 02:18:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:48,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:48,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:48,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:48,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:48,772 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:48,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-12-06 02:18:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:49,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:50,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:18:50,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:50,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:50,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:50,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:50,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:50,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:50,817 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:50,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:50,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:50,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:50,872 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:50,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:50,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:50,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (471)] Ended with exit code 0 [2024-12-06 02:18:51,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:51,016 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:51,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:51,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:51,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:51,018 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:51,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-12-06 02:18:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:52,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:52,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:18:52,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:52,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:52,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:52,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:52,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:52,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:52,738 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:52,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:52,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:52,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:52,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:52,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:52,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:52,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (472)] Ended with exit code 0 [2024-12-06 02:18:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:52,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:52,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:52,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:52,936 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:52,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-12-06 02:18:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:54,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:54,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:54,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:54,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:54,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:54,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:54,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:54,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:54,713 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:54,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:54,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:54,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:54,757 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:54,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:54,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:54,856 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:54,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (473)] Ended with exit code 0 [2024-12-06 02:18:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:54,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:54,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:54,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:54,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:54,896 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:54,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-12-06 02:18:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:56,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:56,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:56,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:56,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:56,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:56,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:56,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:56,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:56,607 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:56,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:56,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:56,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:56,654 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:56,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:56,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:56,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (474)] Ended with exit code 0 [2024-12-06 02:18:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:56,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:56,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:56,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:56,794 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:56,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-12-06 02:18:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:58,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:58,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:18:58,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:58,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:18:58,800 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:58,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:18:58,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:58,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:18:58,936 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:58,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:58,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:18:58,991 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:18:58,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:58,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:18:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:18:59,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (475)] Ended with exit code 0 [2024-12-06 02:18:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:59,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:18:59,149 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:18:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:18:59,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:59,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:59,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:59,150 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:59,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-12-06 02:19:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:00,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:00,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:00,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:00,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:00,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:00,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:00,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:00,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:00,880 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:00,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:00,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:00,934 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:00,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:00,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:01,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (476)] Ended with exit code 0 [2024-12-06 02:19:01,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:01,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:01,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:01,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:01,086 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-12-06 02:19:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:02,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:02,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:19:02,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:02,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:02,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:02,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:02,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:02,760 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:02,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:02,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:02,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:02,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:02,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:02,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:02,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (477)] Ended with exit code 0 [2024-12-06 02:19:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:02,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:02,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:02,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:02,979 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:02,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-12-06 02:19:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:04,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:05,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:05,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:05,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:05,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:05,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:05,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:05,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:05,228 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:05,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:05,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:05,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:05,278 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:05,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:05,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:05,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (478)] Ended with exit code 0 [2024-12-06 02:19:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:05,438 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:05,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:05,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:05,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:05,439 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:05,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2024-12-06 02:19:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:06,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:06,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:19:06,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:06,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:06,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:06,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:07,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:07,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:07,102 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:07,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:07,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:07,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:07,148 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:07,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:07,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:07,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (479)] Ended with exit code 0 [2024-12-06 02:19:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:07,293 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:07,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:07,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:07,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:07,294 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:07,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2024-12-06 02:19:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:08,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:08,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:19:08,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:08,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:08,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:08,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:08,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:08,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:08,909 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:08,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:08,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:08,964 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:08,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:08,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:09,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (480)] Ended with exit code 0 [2024-12-06 02:19:09,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:09,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:09,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:09,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:09,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:09,128 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:09,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2024-12-06 02:19:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:10,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:10,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:19:10,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:10,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:11,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:11,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:11,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:11,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:11,143 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:11,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:11,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:11,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:11,197 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:11,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:11,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:11,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (481)] Ended with exit code 0 [2024-12-06 02:19:11,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:11,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:11,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:11,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:11,350 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:11,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2024-12-06 02:19:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:12,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:13,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:19:13,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:13,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:13,083 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:13,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:13,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:13,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:13,203 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:13,207 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:13,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:13,258 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:13,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:13,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:13,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (482)] Ended with exit code 0 [2024-12-06 02:19:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:13,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:13,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:13,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:13,418 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:13,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2024-12-06 02:19:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:14,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:14,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:14,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:14,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:15,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:15,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:15,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:15,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:15,191 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:15,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:15,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:15,251 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:15,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:15,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:15,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (483)] Ended with exit code 0 [2024-12-06 02:19:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:15,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:15,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:15,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:15,400 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:15,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2024-12-06 02:19:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:16,699 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:17,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:17,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:17,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:17,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:17,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:17,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:17,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:17,529 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:17,533 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:17,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:17,578 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:17,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:17,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:17,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (484)] Ended with exit code 0 [2024-12-06 02:19:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:17,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:17,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:17,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:17,719 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:17,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2024-12-06 02:19:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:19,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:19,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:19:19,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:19,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:19,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:19,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:19,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:19,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:19,707 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:19,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:19,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:19,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:19,761 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:19,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:19,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:19,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (485)] Ended with exit code 0 [2024-12-06 02:19:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:19,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:19,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:19,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:19,904 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:19,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2024-12-06 02:19:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:21,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:21,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:19:21,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:21,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:21,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:21,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:21,649 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:21,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:21,730 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:21,735 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:21,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:21,785 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:21,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:21,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:21,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2024-12-06 02:19:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:21,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:21,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:21,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:21,932 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:21,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2024-12-06 02:19:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:23,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:23,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:19:23,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:23,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:23,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:23,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:23,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:23,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:23,652 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:23,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:23,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:23,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:23,693 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:23,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:23,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:23,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (487)] Ended with exit code 0 [2024-12-06 02:19:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:23,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:23,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:23,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:23,827 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:23,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2024-12-06 02:19:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:25,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:25,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:25,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:25,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:25,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:25,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:25,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:25,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:25,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:25,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:25,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:25,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:25,907 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:25,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:25,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:26,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (488)] Ended with exit code 0 [2024-12-06 02:19:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:26,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:26,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:26,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:26,080 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:26,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2024-12-06 02:19:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:27,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:27,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:19:27,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:27,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:27,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:27,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:27,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:27,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:27,839 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:27,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:27,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:27,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:27,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:27,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:28,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (489)] Ended with exit code 0 [2024-12-06 02:19:28,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:28,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:28,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:28,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:28,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:28,053 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:28,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2024-12-06 02:19:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:29,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:29,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:19:29,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:29,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:29,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:29,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:29,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:29,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:29,802 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:29,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:29,807 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:29,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:29,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:29,862 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:29,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:29,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (490)] Ended with exit code 0 [2024-12-06 02:19:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:29,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:29,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:29,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:29,994 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:29,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2024-12-06 02:19:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:31,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:31,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:31,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:31,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:31,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:31,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:31,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:31,714 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:31,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:31,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:31,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:31,771 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:31,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:31,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:31,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2024-12-06 02:19:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:31,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:31,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:31,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:31,910 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:31,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2024-12-06 02:19:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:33,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:33,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:19:33,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:33,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:33,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:33,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:33,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:33,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:33,672 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:33,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:33,675 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:33,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:33,718 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:33,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:33,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:33,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (492)] Ended with exit code 0 [2024-12-06 02:19:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:33,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:33,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:33,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:33,865 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:33,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2024-12-06 02:19:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:35,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:35,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:19:35,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:35,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:35,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:35,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:35,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:35,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:35,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:35,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:35,816 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:35,819 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:35,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:35,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2024-12-06 02:19:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:35,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:35,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:35,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:35,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:35,976 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:35,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2024-12-06 02:19:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:37,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:37,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:37,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:37,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:37,529 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:37,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:37,629 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:37,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:37,715 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:37,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:37,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:37,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:37,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:37,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:37,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:37,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (494)] Ended with exit code 0 [2024-12-06 02:19:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:37,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:37,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:37,923 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:37,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2024-12-06 02:19:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:39,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:39,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:19:39,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:39,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:39,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:39,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:39,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:39,672 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:39,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:39,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:39,726 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:39,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:39,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:39,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (495)] Ended with exit code 0 [2024-12-06 02:19:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:39,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:39,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:39,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:39,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:39,875 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:39,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2024-12-06 02:19:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:41,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:41,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:19:41,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:41,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:41,682 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:41,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:41,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:41,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:41,877 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:41,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:41,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:41,925 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:41,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:41,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:42,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (496)] Ended with exit code 0 [2024-12-06 02:19:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:42,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:42,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:42,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:42,065 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:42,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2024-12-06 02:19:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:43,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:43,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:43,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:43,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:43,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:43,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:43,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:43,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:43,904 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:43,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:43,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:43,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:43,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:43,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:44,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2024-12-06 02:19:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:44,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:44,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:44,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:44,125 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:44,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2024-12-06 02:19:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:45,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:45,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:19:45,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:45,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 02:19:45,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:45,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:45,835 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:45,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:45,866 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:45,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:45,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:45,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:45,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:45,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:46,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (498)] Ended with exit code 0 [2024-12-06 02:19:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:46,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:46,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:46,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:46,089 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:46,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2024-12-06 02:19:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:47,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:47,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:19:47,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:47,460 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:47,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:47,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:47,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:47,631 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:47,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:47,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:47,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:47,683 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:47,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:47,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:47,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (499)] Ended with exit code 0 [2024-12-06 02:19:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:47,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:47,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:47,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:47,832 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:47,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2024-12-06 02:19:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:49,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:49,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:19:49,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:49,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:49,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 02:19:49,625 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:49,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 34 [2024-12-06 02:19:49,717 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:19:49,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:49,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2024-12-06 02:19:49,782 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:19:49,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:19:49,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 28 [2024-12-06 02:19:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:19:49,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2024-12-06 02:19:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 70 transitions. [2024-12-06 02:19:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-12-06 02:19:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:19:49,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:49,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:49,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:49,945 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:49,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a034755-9f55-4b0a-9073-f2f74ba13711/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2024-12-06 02:19:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:51,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported