./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array25_pattern.c --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_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/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_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array25_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/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_21217a8f-f0c3-4960-b348-fed2b06ddc56/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 d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:13:39,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:13:39,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:13:39,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:13:39,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:13:39,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:13:39,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:13:39,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:13:39,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:13:39,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:13:39,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:13:39,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:13:39,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:13:39,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:13:39,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:13:39,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:13:39,845 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:13:39,845 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:13:39,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:13:39,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:39,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:13:39,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:13:39,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:13:39,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:13:39,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:13:39,846 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_21217a8f-f0c3-4960-b348-fed2b06ddc56/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 -> d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a [2024-12-06 04:13:40,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:13:40,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:13:40,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:13:40,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:13:40,106 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:13:40,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-patterns/array25_pattern.c [2024-12-06 04:13:42,847 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data/2d235feca/19ac00567d564490a04d943239e09e3f/FLAG76eed2e8c [2024-12-06 04:13:43,027 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:13:43,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/sv-benchmarks/c/array-patterns/array25_pattern.c [2024-12-06 04:13:43,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data/2d235feca/19ac00567d564490a04d943239e09e3f/FLAG76eed2e8c [2024-12-06 04:13:43,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data/2d235feca/19ac00567d564490a04d943239e09e3f [2024-12-06 04:13:43,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:13:43,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:13:43,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:43,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:13:43,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:13:43,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115fe4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43, skipping insertion in model container [2024-12-06 04:13:43,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:13:43,188 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_21217a8f-f0c3-4960-b348-fed2b06ddc56/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2024-12-06 04:13:43,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:43,212 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:13:43,219 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_21217a8f-f0c3-4960-b348-fed2b06ddc56/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2024-12-06 04:13:43,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:43,239 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:13:43,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43 WrapperNode [2024-12-06 04:13:43,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:43,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:43,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:13:43,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:13:43,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,268 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-12-06 04:13:43,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:43,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:13:43,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:13:43,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:13:43,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:13:43,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:13:43,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:13:43,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:13:43,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:43,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:13:43,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:13:43,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:13:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:13:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:13:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:13:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:13:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:13:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:13:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:13:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:13:43,391 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:13:43,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:13:43,554 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 04:13:43,554 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:13:43,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:13:43,623 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:13:43,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:43 BoogieIcfgContainer [2024-12-06 04:13:43,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:13:43,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:13:43,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:13:43,634 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:13:43,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:43" (1/1) ... [2024-12-06 04:13:43,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:13:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-12-06 04:13:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-12-06 04:13:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:13:43,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:43,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:43,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-06 04:13:43,922 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-06 04:13:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:13:43,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:43,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:44,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:44,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-06 04:13:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-06 04:13:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:13:44,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:44,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:44,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:13:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-12-06 04:13:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-12-06 04:13:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:13:44,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:13:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2024-12-06 04:13:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2024-12-06 04:13:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:13:44,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:44,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:13:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2024-12-06 04:13:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2024-12-06 04:13:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:13:44,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:13:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 04:13:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 04:13:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:13:45,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:45,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 04:13:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-12-06 04:13:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-12-06 04:13:45,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:13:45,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:45,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:45,360 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 04:13:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-12-06 04:13:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:13:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:13:45,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:45,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 04:13:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:45,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-12-06 04:13:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-12-06 04:13:45,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:13:45,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:45,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:13:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:45,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-06 04:13:45,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:13:46,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 04:13:46,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 04:13:46,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:13:46,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 04:13:46,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:13:46,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 40 [2024-12-06 04:13:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:50,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2024-12-06 04:13:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2024-12-06 04:13:50,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:13:50,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:50,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 04:13:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2024-12-06 04:13:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2024-12-06 04:13:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:13:52,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:52,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:13:54,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2024-12-06 04:13:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2024-12-06 04:13:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:13:54,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:54,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 04:13:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2024-12-06 04:13:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2024-12-06 04:13:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:13:54,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:54,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 23 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 04:13:55,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2024-12-06 04:13:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2024-12-06 04:13:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:13:55,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:55,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:13:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2024-12-06 04:13:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2024-12-06 04:13:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:13:56,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 12 proven. 38 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-06 04:13:57,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:57,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2024-12-06 04:13:57,309 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2024-12-06 04:13:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:13:57,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:57,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-06 04:13:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2024-12-06 04:13:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2024-12-06 04:13:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:13:59,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:59,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-06 04:14:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 70 states and 107 transitions. [2024-12-06 04:14:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 107 transitions. [2024-12-06 04:14:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:14:00,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:00,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-06 04:14:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2024-12-06 04:14:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2024-12-06 04:14:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:14:01,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:01,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 48 proven. 38 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 04:14:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 78 states and 121 transitions. [2024-12-06 04:14:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2024-12-06 04:14:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:14:02,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:02,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 04:14:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2024-12-06 04:14:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2024-12-06 04:14:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 04:14:03,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:03,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-12-06 04:14:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 78 states and 117 transitions. [2024-12-06 04:14:03,771 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 117 transitions. [2024-12-06 04:14:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 04:14:03,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:03,887 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 19 proven. 63 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 04:14:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 95 transitions. [2024-12-06 04:14:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2024-12-06 04:14:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:14:04,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:04,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 48 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 04:14:04,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 66 states and 95 transitions. [2024-12-06 04:14:04,348 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2024-12-06 04:14:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:14:04,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:04,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 48 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 04:14:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2024-12-06 04:14:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2024-12-06 04:14:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:14:04,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:04,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:14:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:05,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-12-06 04:14:05,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:14:05,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 04:14:05,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 04:14:05,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:05,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 04:14:06,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:06,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 04:14:06,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:06,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 50 [2024-12-06 04:14:06,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:06,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 60 [2024-12-06 04:14:07,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:07,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 70 [2024-12-06 04:14:07,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:07,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 80 [2024-12-06 04:14:07,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:07,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 70 treesize of output 90 [2024-12-06 04:14:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:14:25,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:25,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 90 states and 124 transitions. [2024-12-06 04:14:25,877 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 124 transitions. [2024-12-06 04:14:25,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:14:25,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:25,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 46 proven. 31 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-06 04:14:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 95 states and 132 transitions. [2024-12-06 04:14:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2024-12-06 04:14:29,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:14:29,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:29,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 66 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-06 04:14:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 101 states and 140 transitions. [2024-12-06 04:14:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2024-12-06 04:14:33,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 04:14:33,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:33,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:34,058 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-06 04:14:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 148 transitions. [2024-12-06 04:14:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2024-12-06 04:14:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 04:14:37,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:37,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 42 proven. 73 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-06 04:14:41,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 114 states and 155 transitions. [2024-12-06 04:14:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 155 transitions. [2024-12-06 04:14:41,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 04:14:41,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:41,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 52 proven. 88 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 04:14:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 120 states and 161 transitions. [2024-12-06 04:14:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2024-12-06 04:14:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:14:45,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:45,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 20 proven. 103 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-12-06 04:14:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 126 states and 166 transitions. [2024-12-06 04:14:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 166 transitions. [2024-12-06 04:14:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:14:48,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:48,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 133 proven. 66 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-06 04:14:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 130 states and 170 transitions. [2024-12-06 04:14:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 170 transitions. [2024-12-06 04:14:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:14:51,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:51,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 7 proven. 148 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-06 04:14:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 136 states and 178 transitions. [2024-12-06 04:14:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2024-12-06 04:14:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 04:14:51,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:51,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 107 proven. 108 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 04:14:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 109 states and 142 transitions. [2024-12-06 04:14:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 142 transitions. [2024-12-06 04:14:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 04:14:52,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:52,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:14:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:58,989 WARN L254 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 206 conjuncts are in the unsatisfiable core [2024-12-06 04:14:59,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:14:59,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 04:14:59,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 04:14:59,117 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:59,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 04:14:59,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:14:59,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 04:15:00,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:00,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-12-06 04:15:00,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:00,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 60 [2024-12-06 04:15:00,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:00,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 70 [2024-12-06 04:15:01,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:01,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 82 [2024-12-06 04:15:02,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:02,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 92 [2024-12-06 04:15:02,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:02,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 79 treesize of output 102 [2024-12-06 04:15:03,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:03,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 86 treesize of output 112 [2024-12-06 04:15:03,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:03,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 93 treesize of output 122 [2024-12-06 04:15:04,934 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:04,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 100 treesize of output 132 [2024-12-06 04:15:05,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:05,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 107 treesize of output 144 [2024-12-06 04:15:05,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:05,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 116 treesize of output 154 [2024-12-06 04:15:06,307 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:06,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 123 treesize of output 166 [2024-12-06 04:15:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 154 states and 199 transitions. [2024-12-06 04:16:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 199 transitions. [2024-12-06 04:16:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 04:16:07,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:07,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:16:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:15,055 WARN L254 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 210 conjuncts are in the unsatisfiable core [2024-12-06 04:16:15,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:16:15,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 04:16:15,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 04:16:15,164 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 04:16:15,194 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 04:16:15,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-12-06 04:16:15,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 60 [2024-12-06 04:16:15,345 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 70 [2024-12-06 04:16:15,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 82 [2024-12-06 04:16:15,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 92 [2024-12-06 04:16:15,574 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 79 treesize of output 102 [2024-12-06 04:16:15,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 86 treesize of output 112 [2024-12-06 04:16:15,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 93 treesize of output 122 [2024-12-06 04:16:15,918 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:15,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 100 treesize of output 132 [2024-12-06 04:16:16,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:16,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 107 treesize of output 144 [2024-12-06 04:16:16,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:16,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 116 treesize of output 154 [2024-12-06 04:16:16,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:16:16,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 123 treesize of output 166 [2024-12-06 04:16:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 155 states and 199 transitions. [2024-12-06 04:16:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2024-12-06 04:16:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 04:16:18,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 125 proven. 47 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-06 04:16:28,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 160 states and 207 transitions. [2024-12-06 04:16:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2024-12-06 04:16:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 04:16:28,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:28,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 107 proven. 101 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-12-06 04:16:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 167 states and 215 transitions. [2024-12-06 04:16:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2024-12-06 04:16:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 04:16:38,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 27 proven. 155 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-12-06 04:16:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 174 states and 222 transitions. [2024-12-06 04:16:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 222 transitions. [2024-12-06 04:16:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 04:16:48,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:48,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 6 proven. 235 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-06 04:16:59,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 181 states and 231 transitions. [2024-12-06 04:16:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2024-12-06 04:16:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 04:16:59,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:59,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:59,544 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 90 proven. 139 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-06 04:17:10,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:10,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 189 states and 239 transitions. [2024-12-06 04:17:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 239 transitions. [2024-12-06 04:17:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 04:17:10,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:10,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 133 proven. 163 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-12-06 04:17:19,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 196 states and 246 transitions. [2024-12-06 04:17:19,252 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 246 transitions. [2024-12-06 04:17:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 04:17:19,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:19,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 114 proven. 187 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-06 04:17:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 203 states and 252 transitions. [2024-12-06 04:17:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2024-12-06 04:17:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 04:17:26,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 283 proven. 101 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-12-06 04:17:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 205 states and 254 transitions. [2024-12-06 04:17:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 254 transitions. [2024-12-06 04:17:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 04:17:29,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:29,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 33 proven. 211 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-06 04:17:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 212 states and 260 transitions. [2024-12-06 04:17:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 260 transitions. [2024-12-06 04:17:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 04:17:37,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:37,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 283 proven. 101 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-12-06 04:17:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 215 states and 263 transitions. [2024-12-06 04:17:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 263 transitions. [2024-12-06 04:17:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-06 04:17:40,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:40,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 11 proven. 355 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-06 04:17:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 222 states and 272 transitions. [2024-12-06 04:17:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 272 transitions. [2024-12-06 04:17:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 04:17:41,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:41,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 164 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-12-06 04:17:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 178 states and 219 transitions. [2024-12-06 04:17:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 219 transitions. [2024-12-06 04:17:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-06 04:17:42,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:42,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:52,576 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:17:52,579 INFO L158 Benchmark]: Toolchain (without parser) took 249517.85ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 119.8MB in the beginning and 592.1MB in the end (delta: -472.2MB). Peak memory consumption was 581.6MB. Max. memory is 16.1GB. [2024-12-06 04:17:52,579 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:17:52,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.53ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 108.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:17:52,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.98ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:17:52,580 INFO L158 Benchmark]: Boogie Preprocessor took 20.50ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:17:52,580 INFO L158 Benchmark]: RCFGBuilder took 333.30ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 88.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:17:52,581 INFO L158 Benchmark]: CodeCheck took 248954.82ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 88.6MB in the beginning and 592.1MB in the end (delta: -503.5MB). Peak memory consumption was 556.4MB. Max. memory is 16.1GB. [2024-12-06 04:17:52,582 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.53ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 108.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.98ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.50ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.30ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 88.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 248954.82ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 88.6MB in the beginning and 592.1MB in the end (delta: -503.5MB). Peak memory consumption was 556.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:17:52,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/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_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array25_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/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 d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:17:54,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:17:54,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:17:54,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:17:54,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:17:54,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:17:54,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:17:54,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:17:54,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:17:54,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:17:54,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:17:54,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:17:54,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:17:54,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:17:54,619 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:17:54,619 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:17:54,619 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:54,619 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:17:54,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:17:54,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:17:54,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:17:54,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:17:54,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:17:54,620 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:17:54,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:54,620 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:17:54,620 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_21217a8f-f0c3-4960-b348-fed2b06ddc56/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 -> d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a [2024-12-06 04:17:54,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:17:54,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:17:54,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:17:54,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:17:54,872 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:17:54,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-patterns/array25_pattern.c [2024-12-06 04:17:57,560 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data/43302f6db/679a8ea5ff1942e58ea1a0be4d46b983/FLAG3941a17ca [2024-12-06 04:17:57,746 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:17:57,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/sv-benchmarks/c/array-patterns/array25_pattern.c [2024-12-06 04:17:57,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data/43302f6db/679a8ea5ff1942e58ea1a0be4d46b983/FLAG3941a17ca [2024-12-06 04:17:57,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/data/43302f6db/679a8ea5ff1942e58ea1a0be4d46b983 [2024-12-06 04:17:57,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:17:57,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:17:57,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:17:57,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:17:57,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:17:57,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:57,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62576984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57, skipping insertion in model container [2024-12-06 04:17:57,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:57,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:17:57,924 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_21217a8f-f0c3-4960-b348-fed2b06ddc56/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2024-12-06 04:17:57,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:17:57,954 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:17:57,964 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_21217a8f-f0c3-4960-b348-fed2b06ddc56/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2024-12-06 04:17:57,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:17:57,986 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:17:57,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57 WrapperNode [2024-12-06 04:17:57,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:17:57,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:17:57,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:17:57,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:17:57,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,015 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-12-06 04:17:58,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:17:58,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:17:58,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:17:58,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:17:58,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:17:58,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:17:58,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:17:58,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:17:58,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:57" (1/1) ... [2024-12-06 04:17:58,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:17:58,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:17:58,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:17:58,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:17:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:17:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:17:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:17:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:17:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:17:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:17:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:17:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 04:17:58,141 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:17:58,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:17:58,375 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 04:17:58,375 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:17:58,458 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:17:58,458 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:17:58,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:17:58 BoogieIcfgContainer [2024-12-06 04:17:58,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:17:58,459 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:17:58,459 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:17:58,466 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:17:58,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:17:58" (1/1) ... [2024-12-06 04:17:58,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:17:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-12-06 04:17:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-12-06 04:17:58,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:17:58,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:58,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:58,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:17:58,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:17:58,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:17:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:58,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:17:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:58,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:17:58,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:17:58,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:17:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2024-12-06 04:17:58,776 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2024-12-06 04:17:58,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:17:58,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:58,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:58,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:17:58,778 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:17:58,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:17:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:58,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:17:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:58,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:17:58,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:17:58,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:17:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2024-12-06 04:17:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2024-12-06 04:17:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:17:58,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:58,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:58,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:17:58,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:17:58,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:17:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:58,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:17:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:59,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:17:59,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:17:59,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:17:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2024-12-06 04:17:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2024-12-06 04:17:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:17:59,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:59,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:59,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:17:59,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:17:59,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:17:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:59,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:17:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:59,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:17:59,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:17:59,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:17:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 14 states and 23 transitions. [2024-12-06 04:17:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 23 transitions. [2024-12-06 04:17:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:17:59,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:59,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:17:59,504 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:17:59,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:17:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:59,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:17:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:59,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:17:59,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:59,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:17:59,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:18:00,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2024-12-06 04:18:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2024-12-06 04:18:00,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:18:00,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:00,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:00,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:00,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:00,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:18:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:00,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:00,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:18:00,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:00,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:18:00,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:18:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:00,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2024-12-06 04:18:00,862 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2024-12-06 04:18:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:18:00,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:00,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:00,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:00,865 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:00,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:18:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:01,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:01,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:18:01,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:18:01,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:18:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2024-12-06 04:18:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2024-12-06 04:18:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:18:02,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:02,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:02,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:02,951 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:02,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:18:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:03,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:03,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:18:03,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-06 04:18:03,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:18:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:04,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-12-06 04:18:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-12-06 04:18:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:18:04,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:04,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:04,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:04,887 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:04,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:18:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:05,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:05,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:18:05,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 04:18:05,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:18:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 25 states and 46 transitions. [2024-12-06 04:18:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 46 transitions. [2024-12-06 04:18:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:18:05,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:05,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:05,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:05,527 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:05,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:18:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:05,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:05,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:18:05,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 04:18:05,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 04:18:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2024-12-06 04:18:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2024-12-06 04:18:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:18:06,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:06,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:06,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:06,474 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:06,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 04:18:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:06,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:06,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:18:06,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 04:18:06,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 04:18:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 27 states and 54 transitions. [2024-12-06 04:18:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 54 transitions. [2024-12-06 04:18:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:18:07,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:07,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:07,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:07,060 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:07,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:18:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:07,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:07,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:18:07,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 04:18:07,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 04:18:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2024-12-06 04:18:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2024-12-06 04:18:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 04:18:08,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:08,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:08,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:08,050 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:08,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 04:18:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:08,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:08,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:18:08,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 04:18:08,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 04:18:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 31 states and 66 transitions. [2024-12-06 04:18:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 66 transitions. [2024-12-06 04:18:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:18:09,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:09,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:09,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:09,984 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:09,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 04:18:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:10,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:10,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 04:18:10,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:11,143 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 11 treesize of output 7 [2024-12-06 04:18:11,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 04:18:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:12,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:18:12,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2024-12-06 04:18:12,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:12,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:12,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:12,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:18:12,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 48 [2024-12-06 04:18:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:14,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:14,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:14,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:18:14,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 15 [2024-12-06 04:18:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:18:14,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 04:18:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 46 states and 107 transitions. [2024-12-06 04:18:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 107 transitions. [2024-12-06 04:18:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:18:27,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:27,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:27,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:27,165 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:27,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 04:18:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:27,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:27,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 04:18:27,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:28,211 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 11 treesize of output 7 [2024-12-06 04:18:28,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 04:18:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,448 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:18:28,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2024-12-06 04:18:28,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:18:28,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 48 [2024-12-06 04:18:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:28,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:18:28,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 15 [2024-12-06 04:18:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:18:29,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 04:18:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 47 states and 108 transitions. [2024-12-06 04:18:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 108 transitions. [2024-12-06 04:18:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:18:29,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:29,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:29,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:29,646 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:29,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 04:18:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:29,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:29,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:18:29,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 04:18:32,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 04:18:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 52 states and 117 transitions. [2024-12-06 04:18:39,767 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 117 transitions. [2024-12-06 04:18:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:18:39,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:39,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:39,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:39,770 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:39,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 04:18:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:39,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:40,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:18:40,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 04:18:41,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 04:18:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 53 states and 120 transitions. [2024-12-06 04:18:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 120 transitions. [2024-12-06 04:18:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:18:44,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:44,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:44,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:44,740 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:44,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 04:18:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:44,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:45,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:18:45,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:18:45,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 04:18:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 54 states and 125 transitions. [2024-12-06 04:18:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 125 transitions. [2024-12-06 04:18:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:18:46,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:46,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:46,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:46,422 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:46,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 04:18:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:46,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:46,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:18:46,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 04:18:46,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 04:18:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 55 states and 126 transitions. [2024-12-06 04:18:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 126 transitions. [2024-12-06 04:18:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:18:47,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:47,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:47,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:47,978 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:47,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 04:18:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:48,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:48,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:18:48,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-06 04:18:50,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 04:18:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2024-12-06 04:18:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2024-12-06 04:18:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:18:59,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:59,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:18:59,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:18:59,034 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:18:59,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 04:18:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:59,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:18:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:59,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:18:59,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:18:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:18:59,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-12-06 04:19:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 62 states and 139 transitions. [2024-12-06 04:19:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 139 transitions. [2024-12-06 04:19:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:19:03,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:03,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:03,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:03,256 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:03,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 04:19:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:03,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:03,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:19:03,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 04:19:05,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 04:19:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 63 states and 140 transitions. [2024-12-06 04:19:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 140 transitions. [2024-12-06 04:19:09,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:19:09,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:09,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:09,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:09,577 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:09,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 04:19:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:09,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:09,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:19:09,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-06 04:19:10,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 04:19:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 65 states and 143 transitions. [2024-12-06 04:19:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 143 transitions. [2024-12-06 04:19:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:19:14,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:14,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:14,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:14,910 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:14,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 04:19:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:15,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:15,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:19:15,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:16,822 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 24 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 04:19:16,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 04:19:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 148 transitions. [2024-12-06 04:19:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 148 transitions. [2024-12-06 04:19:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:19:20,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:20,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:20,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:20,970 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:20,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 04:19:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:21,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:21,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:19:21,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:19:21,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 04:19:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 69 states and 151 transitions. [2024-12-06 04:19:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 151 transitions. [2024-12-06 04:19:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:19:25,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:25,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:25,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:25,218 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:25,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 04:19:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:25,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:25,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:19:25,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 04:19:26,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 04:19:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 71 states and 153 transitions. [2024-12-06 04:19:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 153 transitions. [2024-12-06 04:19:29,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:19:29,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:29,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:29,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:29,200 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:29,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 04:19:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:29,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:29,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:19:29,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:19:32,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 04:19:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 74 states and 158 transitions. [2024-12-06 04:19:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 158 transitions. [2024-12-06 04:19:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:19:40,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:40,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:40,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:40,899 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:40,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 04:19:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:41,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:41,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:19:41,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-06 04:19:42,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 04:20:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 85 states and 194 transitions. [2024-12-06 04:20:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 194 transitions. [2024-12-06 04:20:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:20:01,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:01,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:01,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:01,142 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:01,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 04:20:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:01,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:01,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:01,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-06 04:20:01,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 04:20:10,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 90 states and 201 transitions. [2024-12-06 04:20:10,467 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 201 transitions. [2024-12-06 04:20:10,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:20:10,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:10,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:10,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:10,469 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:10,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 04:20:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:10,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:10,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:20:10,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-06 04:20:13,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 04:20:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 93 states and 205 transitions. [2024-12-06 04:20:23,427 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 205 transitions. [2024-12-06 04:20:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:20:23,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:23,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:23,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:23,429 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:23,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 04:20:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:23,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:23,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:20:23,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 04:20:25,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 04:20:31,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 95 states and 208 transitions. [2024-12-06 04:20:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 208 transitions. [2024-12-06 04:20:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:20:31,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:31,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:31,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:31,834 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:31,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 04:20:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:32,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:32,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:20:32,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-06 04:20:32,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 04:20:33,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:33,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 96 states and 210 transitions. [2024-12-06 04:20:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 210 transitions. [2024-12-06 04:20:33,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 04:20:33,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:33,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:33,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:33,836 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:33,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 04:20:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:34,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:34,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:34,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 41 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 04:20:34,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 04:20:36,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 97 states and 212 transitions. [2024-12-06 04:20:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 212 transitions. [2024-12-06 04:20:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 04:20:36,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:36,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:36,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:36,455 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:36,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 04:20:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:36,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:36,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:36,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 41 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 04:20:37,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 04:20:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 98 states and 214 transitions. [2024-12-06 04:20:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 214 transitions. [2024-12-06 04:20:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 04:20:39,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:39,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:39,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:39,258 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:39,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 04:20:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:39,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:39,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:39,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 40 proven. 41 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 04:20:40,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 04:20:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 99 states and 216 transitions. [2024-12-06 04:20:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 216 transitions. [2024-12-06 04:20:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 04:20:41,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:41,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:41,937 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:41,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 04:20:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:42,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:42,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:42,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 40 proven. 41 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 04:20:42,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 04:20:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 100 states and 218 transitions. [2024-12-06 04:20:43,173 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 218 transitions. [2024-12-06 04:20:43,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:20:43,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:43,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:43,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:43,174 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:43,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 04:20:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:43,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:43,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:20:43,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 80 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 04:20:44,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 04:20:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 101 states and 219 transitions. [2024-12-06 04:20:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 219 transitions. [2024-12-06 04:20:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:20:46,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:46,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:46,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:46,402 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:46,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 04:20:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:46,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:46,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:46,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 30 proven. 41 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 04:20:47,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 04:20:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 104 states and 230 transitions. [2024-12-06 04:20:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 230 transitions. [2024-12-06 04:20:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:20:54,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:54,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:54,260 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:54,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 04:20:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:54,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:54,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:54,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 30 proven. 41 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 04:20:55,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 04:21:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 107 states and 237 transitions. [2024-12-06 04:21:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 237 transitions. [2024-12-06 04:21:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:21:01,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:01,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:01,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:01,932 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:01,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 04:21:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:02,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:02,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:21:02,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 46 proven. 48 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-12-06 04:21:07,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 04:21:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 110 states and 242 transitions. [2024-12-06 04:21:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 242 transitions. [2024-12-06 04:21:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:21:19,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:19,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:19,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:19,866 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:19,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 04:21:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:26,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:26,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-06 04:21:26,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:26,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 04:21:26,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 04:21:26,700 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:21:26,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 04:21:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:29,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:29,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:21:29,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 41 [2024-12-06 04:21:30,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:30,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:30,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:30,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:30,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:30,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:21:30,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 58 [2024-12-06 04:21:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:31,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:21:31,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 73 [2024-12-06 04:21:35,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:35,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:21:35,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 86 [2024-12-06 04:21:36,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:36,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:21:36,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 84 treesize of output 101 [2024-12-06 04:21:37,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:37,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:21:37,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 116 [2024-12-06 04:21:55,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:21:55,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:21:55,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 92 treesize of output 30 [2024-12-06 04:21:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:21:57,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 04:23:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:14,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 136 states and 298 transitions. [2024-12-06 04:23:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 298 transitions. [2024-12-06 04:23:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:23:14,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:14,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:14,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:14,059 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:14,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 04:23:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:20,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:20,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-06 04:23:20,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:20,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 04:23:20,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 04:23:20,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:20,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 04:23:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,256 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:21,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 41 [2024-12-06 04:23:21,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:21,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 58 [2024-12-06 04:23:21,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:21,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 73 [2024-12-06 04:23:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:22,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 86 [2024-12-06 04:23:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:22,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 84 treesize of output 101 [2024-12-06 04:23:22,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:22,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:22,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 116 [2024-12-06 04:23:24,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:23:24,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:24,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 92 treesize of output 30 [2024-12-06 04:23:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:23:24,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-12-06 04:23:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:28,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 138 states and 298 transitions. [2024-12-06 04:23:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 298 transitions. [2024-12-06 04:23:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:23:28,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:28,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:28,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:28,208 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:28,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 04:23:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:28,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:28,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:23:28,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 04:23:34,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 04:23:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 139 states and 303 transitions. [2024-12-06 04:23:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 303 transitions. [2024-12-06 04:23:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:23:43,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:43,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:43,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:43,586 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:43,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 04:23:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:44,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:44,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:23:44,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-12-06 04:23:44,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 04:23:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 140 states and 304 transitions. [2024-12-06 04:23:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 304 transitions. [2024-12-06 04:23:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:23:48,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:48,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:48,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:48,903 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:48,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 04:23:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:49,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:49,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:23:49,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-06 04:23:57,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 04:24:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 141 states and 305 transitions. [2024-12-06 04:24:09,447 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 305 transitions. [2024-12-06 04:24:09,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:24:09,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:09,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:09,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:09,450 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:09,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 04:24:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:10,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:10,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:24:10,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 37 proven. 40 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-06 04:24:10,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 04:24:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 142 states and 308 transitions. [2024-12-06 04:24:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 308 transitions. [2024-12-06 04:24:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:24:14,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:14,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:14,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:14,695 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:14,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 04:24:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:15,342 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:15,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:24:15,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 83 proven. 50 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-06 04:24:15,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 04:24:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 143 states and 309 transitions. [2024-12-06 04:24:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 309 transitions. [2024-12-06 04:24:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:24:18,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:18,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:18,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:18,930 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:18,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 04:24:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:19,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:19,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:24:19,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-06 04:24:21,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 04:24:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 144 states and 309 transitions. [2024-12-06 04:24:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 309 transitions. [2024-12-06 04:24:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:24:24,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:24,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:24,645 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:24,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 04:24:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:25,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:25,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:24:25,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 04:24:27,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 04:25:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 155 states and 342 transitions. [2024-12-06 04:25:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 342 transitions. [2024-12-06 04:25:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:25:02,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:02,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:02,758 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:02,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 04:25:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:03,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:03,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:25:03,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 04:25:05,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 04:25:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:23,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 160 states and 352 transitions. [2024-12-06 04:25:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 352 transitions. [2024-12-06 04:25:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 04:25:23,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:23,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:23,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:23,358 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:23,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 04:25:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:23,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:24,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:25:24,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-06 04:25:25,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 04:25:31,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 162 states and 353 transitions. [2024-12-06 04:25:31,595 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 353 transitions. [2024-12-06 04:25:31,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:25:31,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:31,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:31,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:31,597 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:31,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 04:25:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:32,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:32,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:25:32,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-12-06 04:25:32,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 04:25:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 163 states and 355 transitions. [2024-12-06 04:25:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 355 transitions. [2024-12-06 04:25:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:25:34,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:34,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:34,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:34,598 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:34,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 04:25:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:35,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:35,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:35,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 55 proven. 92 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 04:25:41,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 04:25:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 165 states and 360 transitions. [2024-12-06 04:25:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 360 transitions. [2024-12-06 04:25:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:25:52,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:52,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:52,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:52,981 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:52,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 04:25:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:53,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:53,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:53,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 52 proven. 60 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-06 04:25:55,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 04:26:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 147 states and 314 transitions. [2024-12-06 04:26:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 314 transitions. [2024-12-06 04:26:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 04:26:04,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:04,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:04,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:04,829 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:04,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 04:26:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:05,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:05,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:26:05,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 25 proven. 57 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-12-06 04:26:07,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 04:26:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 148 states and 316 transitions. [2024-12-06 04:26:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 316 transitions. [2024-12-06 04:26:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 04:26:10,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:10,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:10,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:10,729 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:10,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 04:26:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:11,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:11,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:26:11,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 25 proven. 57 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-12-06 04:26:13,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 04:26:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 149 states and 318 transitions. [2024-12-06 04:26:16,713 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 318 transitions. [2024-12-06 04:26:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 04:26:16,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:16,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:16,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:16,715 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:16,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 04:26:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:17,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:17,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:26:17,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 41 proven. 57 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 04:26:19,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 04:26:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 150 states and 320 transitions. [2024-12-06 04:26:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 320 transitions. [2024-12-06 04:26:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 04:26:22,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:22,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:22,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:22,711 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:22,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 04:26:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:23,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:23,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:26:23,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 41 proven. 57 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 04:26:25,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 04:26:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 151 states and 322 transitions. [2024-12-06 04:26:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 322 transitions. [2024-12-06 04:26:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:27,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:27,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:27,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:27,498 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:27,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 04:26:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:28,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:28,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:26:28,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 31 proven. 57 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-12-06 04:26:30,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 04:26:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 154 states and 332 transitions. [2024-12-06 04:26:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 332 transitions. [2024-12-06 04:26:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:42,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:42,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:42,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:42,880 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:42,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 04:26:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:43,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:43,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:26:43,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 31 proven. 57 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-12-06 04:26:45,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 04:26:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 157 states and 339 transitions. [2024-12-06 04:26:58,846 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 339 transitions. [2024-12-06 04:26:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 04:26:58,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:58,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:58,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:58,848 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:58,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 04:26:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:59,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:59,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:26:59,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 4 proven. 124 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 04:27:05,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 04:27:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 162 states and 355 transitions. [2024-12-06 04:27:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 355 transitions. [2024-12-06 04:27:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 04:27:26,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:26,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:26,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:26,883 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:26,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 04:27:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:27,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:27,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:27:27,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 4 proven. 124 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 04:27:31,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 04:27:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 166 states and 361 transitions. [2024-12-06 04:27:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 361 transitions. [2024-12-06 04:27:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 04:27:40,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:40,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:40,368 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:40,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 04:27:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:41,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:41,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:27:41,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 137 proven. 63 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-12-06 04:27:43,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 04:27:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 155 states and 327 transitions. [2024-12-06 04:27:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 327 transitions. [2024-12-06 04:27:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 04:27:47,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:47,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:47,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:47,188 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:47,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 04:27:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:47,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:48,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:27:48,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 78 proven. 57 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 04:27:50,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 04:27:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 156 states and 329 transitions. [2024-12-06 04:27:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 329 transitions. [2024-12-06 04:27:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 04:27:50,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:50,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:50,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:50,907 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:50,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 04:27:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:51,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:51,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:27:51,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 56 proven. 76 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-12-06 04:28:01,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 04:28:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:12,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 157 states and 331 transitions. [2024-12-06 04:28:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 331 transitions. [2024-12-06 04:28:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 04:28:12,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:12,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:12,454 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:12,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21217a8f-f0c3-4960-b348-fed2b06ddc56/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 04:28:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:13,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:13,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:28:13,433 INFO L279 TraceCheckSpWp]: Computing forward predicates...