./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array27_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_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/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_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array27_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/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_abca5324-b98c-459a-9fef-2b55775fe4d8/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 8e2a4cc1bd1815c470836bbbcc9d3775eac69b651b7231d974ae63a065851dd1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:34:35,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:34:35,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:34:35,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:34:35,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:34:35,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:34:35,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:34:35,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:34:35,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:34:35,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:34:35,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:34:35,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:34:35,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:34:35,485 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:34:35,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:34:35,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:34:35,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:34:35,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:34:35,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:34:35,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:35,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:34:35,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:34:35,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:34:35,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:34:35,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:34:35,486 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_abca5324-b98c-459a-9fef-2b55775fe4d8/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 -> 8e2a4cc1bd1815c470836bbbcc9d3775eac69b651b7231d974ae63a065851dd1 [2024-12-05 22:34:35,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:34:35,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:34:35,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:34:35,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:34:35,703 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:34:35,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-patterns/array27_pattern.c [2024-12-05 22:34:38,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data/e4c2a1cca/20bfe411d31d415aafc0bd52290e1994/FLAG18f07bf31 [2024-12-05 22:34:38,511 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:34:38,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/sv-benchmarks/c/array-patterns/array27_pattern.c [2024-12-05 22:34:38,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data/e4c2a1cca/20bfe411d31d415aafc0bd52290e1994/FLAG18f07bf31 [2024-12-05 22:34:38,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data/e4c2a1cca/20bfe411d31d415aafc0bd52290e1994 [2024-12-05 22:34:38,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:34:38,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:34:38,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:38,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:34:38,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:34:38,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:38" (1/1) ... [2024-12-05 22:34:38,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dca9334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:38, skipping insertion in model container [2024-12-05 22:34:38,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:38" (1/1) ... [2024-12-05 22:34:38,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:34:39,012 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_abca5324-b98c-459a-9fef-2b55775fe4d8/sv-benchmarks/c/array-patterns/array27_pattern.c[1253,1266] [2024-12-05 22:34:39,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:39,038 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:34:39,048 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_abca5324-b98c-459a-9fef-2b55775fe4d8/sv-benchmarks/c/array-patterns/array27_pattern.c[1253,1266] [2024-12-05 22:34:39,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:39,069 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:34:39,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39 WrapperNode [2024-12-05 22:34:39,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:39,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:39,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:34:39,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:34:39,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,097 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-12-05 22:34:39,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:39,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:34:39,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:34:39,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:34:39,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:34:39,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:34:39,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:34:39,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:34:39,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:39,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:34:39,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:34:39,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:34:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:34:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:34:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:34:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:34:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:34:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:34:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:34:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:34:39,224 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:34:39,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:34:39,359 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-05 22:34:39,359 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:34:39,417 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:34:39,417 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 22:34:39,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:39 BoogieIcfgContainer [2024-12-05 22:34:39,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:34:39,418 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:34:39,418 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:34:39,428 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:34:39,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:39" (1/1) ... [2024-12-05 22:34:39,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:34:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-12-05 22:34:39,481 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-12-05 22:34:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:34:39,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:39,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:39,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:39,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-05 22:34:39,721 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-05 22:34:39,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:34:39,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:39,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-05 22:34:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-05 22:34:39,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:34:39,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:39,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:34:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:40,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-12-05 22:34:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-12-05 22:34:40,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:34:40,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:40,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:34:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:40,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2024-12-05 22:34:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2024-12-05 22:34:40,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:34:40,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:40,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:40,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 22:34:40,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:40,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2024-12-05 22:34:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:41,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 23 states and 52 transitions. [2024-12-05 22:34:41,536 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 52 transitions. [2024-12-05 22:34:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:34:41,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:41,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:34:42,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2024-12-05 22:34:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2024-12-05 22:34:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:34:42,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:42,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:42,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 27 states and 60 transitions. [2024-12-05 22:34:42,905 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 60 transitions. [2024-12-05 22:34:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:34:42,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:42,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:34:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 28 states and 62 transitions. [2024-12-05 22:34:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 62 transitions. [2024-12-05 22:34:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:34:43,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:43,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:34:43,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 30 states and 65 transitions. [2024-12-05 22:34:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 65 transitions. [2024-12-05 22:34:43,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:34:43,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:43,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:34:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 31 states and 67 transitions. [2024-12-05 22:34:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 67 transitions. [2024-12-05 22:34:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:34:44,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:44,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:34:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 34 states and 76 transitions. [2024-12-05 22:34:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 76 transitions. [2024-12-05 22:34:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:34:45,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:45,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 22:34:46,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 40 states and 89 transitions. [2024-12-05 22:34:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 89 transitions. [2024-12-05 22:34:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:34:46,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:46,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 22:34:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 45 states and 96 transitions. [2024-12-05 22:34:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 96 transitions. [2024-12-05 22:34:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:34:47,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:47,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:34:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 46 states and 97 transitions. [2024-12-05 22:34:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 97 transitions. [2024-12-05 22:34:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:34:47,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:47,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 22:34:47,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2024-12-05 22:34:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2024-12-05 22:34:47,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:34:47,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:47,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-05 22:34:48,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2024-12-05 22:34:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2024-12-05 22:34:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:34:48,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:48,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:48,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 22:34:48,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:48,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2024-12-05 22:34:48,392 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 [2024-12-05 22:34:48,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:34:48,652 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 [2024-12-05 22:34:48,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:34:48,751 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 [2024-12-05 22:34:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2024-12-05 22:34:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2024-12-05 22:34:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:34:53,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:53,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:53,591 WARN L254 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-05 22:34:53,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:53,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:34:53,653 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 [2024-12-05 22:34:53,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:34:53,712 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 [2024-12-05 22:34:53,738 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:34:53,738 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 [2024-12-05 22:34:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:54,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 55 states and 103 transitions. [2024-12-05 22:34:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 103 transitions. [2024-12-05 22:34:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:34:54,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:54,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 22:34:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2024-12-05 22:34:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2024-12-05 22:34:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:34:57,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:57,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 22:34:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2024-12-05 22:34:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2024-12-05 22:34:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:34:57,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 23 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 22:34:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2024-12-05 22:34:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2024-12-05 22:34:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:34:58,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:58,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 29 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:35:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2024-12-05 22:35:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2024-12-05 22:35:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:35:00,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:00,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 29 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:35:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2024-12-05 22:35:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2024-12-05 22:35:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:35:00,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:00,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 29 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:35:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2024-12-05 22:35:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2024-12-05 22:35:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:35:01,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 12 proven. 38 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-05 22:35:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 72 states and 136 transitions. [2024-12-05 22:35:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 136 transitions. [2024-12-05 22:35:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:35:04,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:04,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 12 proven. 38 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-05 22:35:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 73 states and 137 transitions. [2024-12-05 22:35:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2024-12-05 22:35:05,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:35:05,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:05,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 13 proven. 43 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-05 22:35:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 73 states and 136 transitions. [2024-12-05 22:35:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2024-12-05 22:35:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:35:05,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:05,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-05 22:35:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 79 states and 143 transitions. [2024-12-05 22:35:08,629 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 143 transitions. [2024-12-05 22:35:08,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:35:08,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:08,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-05 22:35:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:09,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 79 states and 142 transitions. [2024-12-05 22:35:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 142 transitions. [2024-12-05 22:35:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:35:09,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:09,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-05 22:35:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 84 states and 147 transitions. [2024-12-05 22:35:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 147 transitions. [2024-12-05 22:35:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:35:12,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:12,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 43 proven. 24 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-05 22:35:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 147 transitions. [2024-12-05 22:35:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 147 transitions. [2024-12-05 22:35:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:35:13,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:13,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-05 22:35:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:14,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 90 states and 162 transitions. [2024-12-05 22:35:14,750 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 162 transitions. [2024-12-05 22:35:14,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:35:14,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:14,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-05 22:35:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 91 states and 163 transitions. [2024-12-05 22:35:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 163 transitions. [2024-12-05 22:35:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:35:15,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:15,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 22:35:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 92 states and 164 transitions. [2024-12-05 22:35:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 164 transitions. [2024-12-05 22:35:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:35:15,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:15,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 22:35:16,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 93 states and 165 transitions. [2024-12-05 22:35:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 165 transitions. [2024-12-05 22:35:16,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:35:16,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:16,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 48 proven. 38 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:35:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 79 states and 140 transitions. [2024-12-05 22:35:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 140 transitions. [2024-12-05 22:35:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 22:35:17,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:17,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-12-05 22:35:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 80 states and 141 transitions. [2024-12-05 22:35:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 141 transitions. [2024-12-05 22:35:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 22:35:17,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:17,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-12-05 22:35:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 78 states and 137 transitions. [2024-12-05 22:35:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 137 transitions. [2024-12-05 22:35:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 22:35:18,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:18,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-05 22:35:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 131 transitions. [2024-12-05 22:35:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 131 transitions. [2024-12-05 22:35:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 22:35:18,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:18,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-05 22:35:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 132 transitions. [2024-12-05 22:35:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2024-12-05 22:35:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:35:19,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:19,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:35:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:20,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-12-05 22:35:20,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:20,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2024-12-05 22:35:21,067 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 [2024-12-05 22:35:21,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:21,238 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 [2024-12-05 22:35:21,746 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:21,746 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 [2024-12-05 22:35:21,942 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:21,942 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 [2024-12-05 22:35:22,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:22,156 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 58 [2024-12-05 22:35:22,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:22,773 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 54 treesize of output 68 [2024-12-05 22:35:22,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:22,987 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 61 treesize of output 78 [2024-12-05 22:35:23,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:23,202 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 68 treesize of output 88 [2024-12-05 22:35:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:35:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 108 states and 174 transitions. [2024-12-05 22:35:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2024-12-05 22:35:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:35:43,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:35:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:44,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-12-05 22:35:44,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:44,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2024-12-05 22:35:44,705 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 [2024-12-05 22:35:44,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:44,922 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 [2024-12-05 22:35:45,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:45,150 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 [2024-12-05 22:35:45,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:45,176 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 [2024-12-05 22:35:45,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:45,203 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 58 [2024-12-05 22:35:45,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:45,519 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 54 treesize of output 68 [2024-12-05 22:35:45,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:45,557 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 61 treesize of output 78 [2024-12-05 22:35:45,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:35:45,605 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 68 treesize of output 88 [2024-12-05 22:35:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:35:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 111 states and 175 transitions. [2024-12-05 22:35:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 175 transitions. [2024-12-05 22:35:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:35:48,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:48,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 46 proven. 31 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-05 22:35:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 189 transitions. [2024-12-05 22:35:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2024-12-05 22:35:52,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:35:52,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 46 proven. 31 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-05 22:35:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 116 states and 189 transitions. [2024-12-05 22:35:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 189 transitions. [2024-12-05 22:35:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:35:53,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:53,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 66 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-05 22:35:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 123 states and 203 transitions. [2024-12-05 22:35:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2024-12-05 22:35:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:35:57,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:57,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 78 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-05 22:36:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 216 transitions. [2024-12-05 22:36:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2024-12-05 22:36:01,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:36:01,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:01,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 66 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-05 22:36:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 130 states and 216 transitions. [2024-12-05 22:36:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2024-12-05 22:36:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 22:36:02,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 16 proven. 73 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-05 22:36:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 218 transitions. [2024-12-05 22:36:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2024-12-05 22:36:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 22:36:03,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 16 proven. 73 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-05 22:36:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2024-12-05 22:36:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2024-12-05 22:36:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 22:36:04,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:04,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-05 22:36:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 132 states and 218 transitions. [2024-12-05 22:36:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 218 transitions. [2024-12-05 22:36:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 22:36:05,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:05,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 74 proven. 66 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-12-05 22:36:05,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:05,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 133 states and 218 transitions. [2024-12-05 22:36:05,986 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 218 transitions. [2024-12-05 22:36:05,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 22:36:05,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:05,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 42 proven. 73 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-05 22:36:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 129 states and 202 transitions. [2024-12-05 22:36:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 202 transitions. [2024-12-05 22:36:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 22:36:12,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:12,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 52 proven. 88 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-05 22:36:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2024-12-05 22:36:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2024-12-05 22:36:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:36:17,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 20 proven. 103 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-12-05 22:36:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 124 states and 191 transitions. [2024-12-05 22:36:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2024-12-05 22:36:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:36:22,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:22,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 7 proven. 148 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-05 22:36:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 130 states and 199 transitions. [2024-12-05 22:36:23,471 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 199 transitions. [2024-12-05 22:36:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 22:36:23,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:23,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:36:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:29,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-12-05 22:36:29,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:29,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2024-12-05 22:36:29,197 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 [2024-12-05 22:36:29,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:29,229 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 [2024-12-05 22:36:29,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:29,572 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 [2024-12-05 22:36:30,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:30,669 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 [2024-12-05 22:36:31,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:31,006 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 58 [2024-12-05 22:36:31,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:31,386 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 54 treesize of output 68 [2024-12-05 22:36:31,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:31,728 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 61 treesize of output 78 [2024-12-05 22:36:32,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:32,933 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 68 treesize of output 88 [2024-12-05 22:36:33,307 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:33,307 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 75 treesize of output 98 [2024-12-05 22:36:33,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:33,753 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 82 treesize of output 108 [2024-12-05 22:36:34,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:34,191 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 89 treesize of output 118 [2024-12-05 22:36:35,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:35,555 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 96 treesize of output 128 [2024-12-05 22:36:36,045 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:36,045 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 103 treesize of output 138 [2024-12-05 22:36:36,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:36,632 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 110 treesize of output 148 [2024-12-05 22:36:37,162 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:36:37,162 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 117 treesize of output 158 [2024-12-05 22:36:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:37:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 173 states and 253 transitions. [2024-12-05 22:37:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 253 transitions. [2024-12-05 22:37:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 22:37:43,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:43,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:37:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:37:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:48,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-12-05 22:37:48,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:48,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:37:48,680 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 [2024-12-05 22:37:48,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:48,713 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 [2024-12-05 22:37:48,737 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:48,737 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 [2024-12-05 22:37:49,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,157 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 [2024-12-05 22:37:49,194 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,195 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 58 [2024-12-05 22:37:49,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,235 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 54 treesize of output 68 [2024-12-05 22:37:49,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,279 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 61 treesize of output 78 [2024-12-05 22:37:49,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,391 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 68 treesize of output 88 [2024-12-05 22:37:49,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,449 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 75 treesize of output 98 [2024-12-05 22:37:49,516 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,516 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 82 treesize of output 108 [2024-12-05 22:37:49,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,630 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 89 treesize of output 118 [2024-12-05 22:37:49,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,781 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 96 treesize of output 128 [2024-12-05 22:37:49,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,856 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 103 treesize of output 138 [2024-12-05 22:37:49,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:49,941 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 110 treesize of output 148 [2024-12-05 22:37:50,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:37:50,020 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 117 treesize of output 158 [2024-12-05 22:37:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:37:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 175 states and 253 transitions. [2024-12-05 22:37:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 253 transitions. [2024-12-05 22:37:54,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-05 22:37:54,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:54,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:37:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 125 proven. 47 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-05 22:38:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 179 states and 267 transitions. [2024-12-05 22:38:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 267 transitions. [2024-12-05 22:38:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-05 22:38:03,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 125 proven. 47 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-05 22:38:05,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 180 states and 267 transitions. [2024-12-05 22:38:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 267 transitions. [2024-12-05 22:38:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:38:05,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:05,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 107 proven. 101 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-12-05 22:38:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 188 states and 282 transitions. [2024-12-05 22:38:16,585 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 282 transitions. [2024-12-05 22:38:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:38:16,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:16,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:18,157 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 6 proven. 200 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 22:38:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 195 states and 296 transitions. [2024-12-05 22:38:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 296 transitions. [2024-12-05 22:38:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:38:27,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:27,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 6 proven. 200 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 22:38:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 196 states and 297 transitions. [2024-12-05 22:38:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 297 transitions. [2024-12-05 22:38:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 22:38:29,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 6 proven. 216 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-12-05 22:38:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 201 states and 305 transitions. [2024-12-05 22:38:36,870 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 305 transitions. [2024-12-05 22:38:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 22:38:36,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:36,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 113 proven. 110 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-05 22:38:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 202 states and 304 transitions. [2024-12-05 22:38:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 304 transitions. [2024-12-05 22:38:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 22:38:40,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:40,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 113 proven. 110 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-05 22:38:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 203 states and 306 transitions. [2024-12-05 22:38:41,672 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 306 transitions. [2024-12-05 22:38:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 22:38:41,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:41,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 195 proven. 101 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-12-05 22:38:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 204 states and 306 transitions. [2024-12-05 22:38:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 306 transitions. [2024-12-05 22:38:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 22:38:43,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:43,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:43,687 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 152 proven. 164 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-12-05 22:38:45,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 187 states and 273 transitions. [2024-12-05 22:38:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 273 transitions. [2024-12-05 22:38:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 22:38:45,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:45,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 35 proven. 209 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-05 22:38:58,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 195 states and 286 transitions. [2024-12-05 22:38:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 286 transitions. [2024-12-05 22:38:58,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 22:38:58,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:58,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 35 proven. 209 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-05 22:39:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 188 states and 274 transitions. [2024-12-05 22:39:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 274 transitions. [2024-12-05 22:39:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 22:39:01,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:01,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 90 proven. 139 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-05 22:39:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:16,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 197 states and 286 transitions. [2024-12-05 22:39:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 286 transitions. [2024-12-05 22:39:16,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:39:16,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:16,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 90 proven. 144 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-12-05 22:39:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 189 states and 273 transitions. [2024-12-05 22:39:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 273 transitions. [2024-12-05 22:39:18,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:39:18,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:18,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 133 proven. 163 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-12-05 22:39:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 196 states and 280 transitions. [2024-12-05 22:39:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 280 transitions. [2024-12-05 22:39:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 22:39:31,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 114 proven. 187 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-05 22:39:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 190 states and 270 transitions. [2024-12-05 22:39:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 270 transitions. [2024-12-05 22:39:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 22:39:42,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 33 proven. 211 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-05 22:39:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 191 states and 272 transitions. [2024-12-05 22:39:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 272 transitions. [2024-12-05 22:39:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 22:39:53,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:53,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 33 proven. 211 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-05 22:39:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 192 states and 273 transitions. [2024-12-05 22:39:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 273 transitions. [2024-12-05 22:39:55,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-05 22:39:55,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:55,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 11 proven. 355 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-05 22:39:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:58,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 199 states and 282 transitions. [2024-12-05 22:39:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 282 transitions. [2024-12-05 22:39:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-05 22:39:58,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:58,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:40:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:40:08,349 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) [2024-12-05 22:40:08,354 INFO L158 Benchmark]: Toolchain (without parser) took 329467.40ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 117.2MB in the beginning and 591.9MB in the end (delta: -474.7MB). Peak memory consumption was 837.0MB. Max. memory is 16.1GB. [2024-12-05 22:40:08,354 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:40:08,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.92ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:40:08,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.22ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:40:08,354 INFO L158 Benchmark]: Boogie Preprocessor took 18.08ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.6MB in the end (delta: 775.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:40:08,355 INFO L158 Benchmark]: RCFGBuilder took 300.81ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 88.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:40:08,355 INFO L158 Benchmark]: CodeCheck took 328934.70ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 88.1MB in the beginning and 591.9MB in the end (delta: -503.8MB). Peak memory consumption was 811.8MB. Max. memory is 16.1GB. [2024-12-05 22:40:08,356 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.92ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.22ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.08ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.6MB in the end (delta: 775.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.81ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 88.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 328934.70ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 88.1MB in the beginning and 591.9MB in the end (delta: -503.8MB). Peak memory consumption was 811.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:40:08,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/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_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/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_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array27_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/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_abca5324-b98c-459a-9fef-2b55775fe4d8/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 8e2a4cc1bd1815c470836bbbcc9d3775eac69b651b7231d974ae63a065851dd1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:40:10,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:40:10,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:40:10,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:40:10,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:40:10,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:40:10,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:40:10,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:40:10,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:40:10,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:40:10,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:40:10,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:40:10,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:40:10,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:40:10,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:40:10,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:40:10,473 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:40:10,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:40:10,473 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:40:10,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:40:10,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:40:10,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:40:10,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:40:10,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:40:10,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:40:10,474 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:40:10,474 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:10,474 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:40:10,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:40:10,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:40:10,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:40:10,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:40:10,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:40:10,475 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:40:10,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:10,475 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:40:10,475 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_abca5324-b98c-459a-9fef-2b55775fe4d8/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 -> 8e2a4cc1bd1815c470836bbbcc9d3775eac69b651b7231d974ae63a065851dd1 [2024-12-05 22:40:10,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:40:10,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:40:10,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:40:10,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:40:10,729 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:40:10,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-patterns/array27_pattern.c [2024-12-05 22:40:13,379 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data/2723d4e41/67148b5c34bf45908bb6549c6ce76836/FLAGcd22c1885 [2024-12-05 22:40:13,585 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:40:13,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/sv-benchmarks/c/array-patterns/array27_pattern.c [2024-12-05 22:40:13,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data/2723d4e41/67148b5c34bf45908bb6549c6ce76836/FLAGcd22c1885 [2024-12-05 22:40:13,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/data/2723d4e41/67148b5c34bf45908bb6549c6ce76836 [2024-12-05 22:40:13,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:40:13,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:40:13,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:40:13,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:40:13,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:40:13,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcbd2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13, skipping insertion in model container [2024-12-05 22:40:13,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:40:13,742 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_abca5324-b98c-459a-9fef-2b55775fe4d8/sv-benchmarks/c/array-patterns/array27_pattern.c[1253,1266] [2024-12-05 22:40:13,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:40:13,772 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:40:13,782 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_abca5324-b98c-459a-9fef-2b55775fe4d8/sv-benchmarks/c/array-patterns/array27_pattern.c[1253,1266] [2024-12-05 22:40:13,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:40:13,804 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:40:13,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13 WrapperNode [2024-12-05 22:40:13,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:40:13,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:40:13,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:40:13,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:40:13,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,838 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-12-05 22:40:13,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:40:13,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:40:13,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:40:13,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:40:13,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,855 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:40:13,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:40:13,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:40:13,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:40:13,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:13" (1/1) ... [2024-12-05 22:40:13,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:40:13,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:40:13,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:40:13,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:40:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:40:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:40:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:40:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:40:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:40:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:40:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:40:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:40:13,987 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:40:13,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:40:14,281 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-05 22:40:14,281 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:40:14,361 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:40:14,362 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 22:40:14,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:40:14 BoogieIcfgContainer [2024-12-05 22:40:14,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:40:14,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:40:14,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:40:14,371 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:40:14,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:40:14" (1/1) ... [2024-12-05 22:40:14,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:40:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-12-05 22:40:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-12-05 22:40:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:40:14,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:14,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:14,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:14,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:14,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:40:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:14,614 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:14,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:40:14,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:14,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:40:15,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-05 22:40:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-05 22:40:15,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:40:15,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:15,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:15,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:15,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:15,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:40:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:15,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:15,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:40:15,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:15,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:40:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-05 22:40:15,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-05 22:40:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:40:15,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:15,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:15,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:15,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:15,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:40:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:15,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:16,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:40:16,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:40:16,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-05 22:40:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-12-05 22:40:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-12-05 22:40:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:40:16,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:16,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:16,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:16,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:16,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:40:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:17,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:17,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:40:17,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:40:17,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:40:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:17,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2024-12-05 22:40:17,382 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2024-12-05 22:40:17,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:40:17,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:17,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:17,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:17,384 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:17,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:40:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:17,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:17,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 22:40:17,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:18,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:40:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:19,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:40:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2024-12-05 22:40:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2024-12-05 22:40:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:40:23,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:23,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:23,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:23,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:23,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:40:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:24,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:24,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:40:24,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:40:24,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:40:26,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:26,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 25 states and 52 transitions. [2024-12-05 22:40:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 52 transitions. [2024-12-05 22:40:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:40:26,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:26,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:26,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:26,416 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:26,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:40:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:26,610 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:26,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:40:26,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:40:27,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:40:29,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 55 transitions. [2024-12-05 22:40:29,058 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 55 transitions. [2024-12-05 22:40:29,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:40:29,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:29,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:29,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:29,061 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:29,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:40:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:29,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:29,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:40:29,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:40:29,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:40:32,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:32,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 28 states and 61 transitions. [2024-12-05 22:40:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 61 transitions. [2024-12-05 22:40:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:32,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:32,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:32,485 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:32,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:40:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:32,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:32,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:40:32,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:40:33,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:40:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 30 states and 65 transitions. [2024-12-05 22:40:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 65 transitions. [2024-12-05 22:40:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:40:35,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:35,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:35,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:35,546 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:35,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:40:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:35,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:35,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:40:35,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:40:36,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:40:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 31 states and 66 transitions. [2024-12-05 22:40:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 66 transitions. [2024-12-05 22:40:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:40:37,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:37,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:37,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:37,227 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:37,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:40:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:37,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:37,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:40:37,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:40:38,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:40:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 37 states and 80 transitions. [2024-12-05 22:40:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 80 transitions. [2024-12-05 22:40:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:40:44,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:44,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:44,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:44,836 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:44,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:40:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:45,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:45,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:40:45,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 22:40:45,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:40:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 38 states and 81 transitions. [2024-12-05 22:40:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 81 transitions. [2024-12-05 22:40:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:40:46,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:46,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:46,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:46,595 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:46,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:40:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:46,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:46,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:40:46,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 22:40:47,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:40:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 87 transitions. [2024-12-05 22:40:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 87 transitions. [2024-12-05 22:40:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:40:50,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:50,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:50,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:50,889 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:50,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:40:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:51,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:51,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:40:51,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:40:51,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:40:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:52,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2024-12-05 22:40:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2024-12-05 22:40:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:40:52,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:52,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:52,798 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:52,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:40:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:54,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:55,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 22:40:55,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:55,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:40:55,296 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 [2024-12-05 22:40:57,320 INFO L349 Elim1Store]: treesize reduction 30, result has 49.2 percent of original size [2024-12-05 22:40:57,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 45 [2024-12-05 22:40:57,995 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-12-05 22:40:57,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 46 [2024-12-05 22:41:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:41:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:41:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:41:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:41:02,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:41:02,518 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 37 treesize of output 13 [2024-12-05 22:41:03,082 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:41:03,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:41:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 116 transitions. [2024-12-05 22:41:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2024-12-05 22:41:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:41:26,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:26,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:26,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:26,781 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:26,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:41:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:27,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:27,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:41:27,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 22:41:29,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:41:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 59 states and 128 transitions. [2024-12-05 22:41:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 128 transitions. [2024-12-05 22:41:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:41:40,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:40,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:40,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:40,181 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:40,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:41:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:40,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:40,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:41:40,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 22:41:40,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:41:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:41,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 60 states and 130 transitions. [2024-12-05 22:41:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 130 transitions. [2024-12-05 22:41:41,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:41:41,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:41,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:41,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:41,717 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:41,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:41:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:41,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:42,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:41:42,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 22:41:45,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:41:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 62 states and 134 transitions. [2024-12-05 22:41:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 134 transitions. [2024-12-05 22:41:51,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:41:51,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:51,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:51,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:51,828 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:51,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:41:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:52,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:52,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:41:52,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 22:41:55,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:41:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 63 states and 136 transitions. [2024-12-05 22:41:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 136 transitions. [2024-12-05 22:41:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:41:59,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:59,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:59,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:59,959 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:59,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:42:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:00,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:00,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:42:00,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 22:42:00,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:42:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 64 states and 137 transitions. [2024-12-05 22:42:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2024-12-05 22:42:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:42:02,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:02,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:02,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:02,899 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:02,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:42:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:03,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:03,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:42:03,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:42:04,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:42:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:17,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 69 states and 150 transitions. [2024-12-05 22:42:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2024-12-05 22:42:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:42:17,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:17,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:17,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:17,944 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:17,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:42:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:18,258 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:18,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:42:18,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:42:18,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:42:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 70 states and 152 transitions. [2024-12-05 22:42:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 152 transitions. [2024-12-05 22:42:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:42:21,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:21,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:21,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:21,301 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:21,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:42:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:21,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:21,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:42:21,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 22:42:25,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:42:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:30,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 71 states and 155 transitions. [2024-12-05 22:42:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2024-12-05 22:42:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:42:30,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:30,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:30,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:30,280 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:30,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:42:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:30,542 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:30,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:42:30,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-05 22:42:31,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:42:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 72 states and 155 transitions. [2024-12-05 22:42:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 155 transitions. [2024-12-05 22:42:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:42:33,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:33,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:33,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:33,069 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:42:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:33,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:33,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:42:33,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 22:42:35,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:42:40,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 74 states and 159 transitions. [2024-12-05 22:42:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 159 transitions. [2024-12-05 22:42:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:42:40,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:40,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:40,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:40,745 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:40,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:42:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:41,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:41,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:42:41,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 22:42:45,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:43:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 173 transitions. [2024-12-05 22:43:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-12-05 22:43:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:43:07,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:07,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:43:07,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:43:07,043 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:43:07,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:43:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:07,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:43:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:07,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 22:43:07,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 22:43:11,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:43:17,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 83 states and 176 transitions. [2024-12-05 22:43:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 176 transitions. [2024-12-05 22:43:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:43:17,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:17,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:43:17,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:43:17,580 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:43:17,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:43:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:17,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:43:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:18,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:43:18,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:43:18,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:43:31,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 88 states and 184 transitions. [2024-12-05 22:43:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 184 transitions. [2024-12-05 22:43:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:43:31,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:31,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:43:31,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:43:31,648 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:43:31,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:43:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:31,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:43:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:32,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:43:32,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 22:43:32,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:43:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 89 states and 185 transitions. [2024-12-05 22:43:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 185 transitions. [2024-12-05 22:43:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:43:34,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:34,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:43:34,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:43:34,855 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:43:34,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:43:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:35,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:43:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:35,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:43:35,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-05 22:43:35,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:43:45,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 93 states and 187 transitions. [2024-12-05 22:43:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 187 transitions. [2024-12-05 22:43:45,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:43:45,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:45,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:43:45,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:43:45,727 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:43:45,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:43:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:46,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:43:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:46,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:43:46,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 29 proven. 18 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-12-05 22:43:50,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:43:55,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:55,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 94 states and 188 transitions. [2024-12-05 22:43:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 188 transitions. [2024-12-05 22:43:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:43:55,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:55,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:43:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:43:55,987 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:43:55,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:43:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:56,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:43:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:56,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:43:56,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-05 22:43:57,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:44:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 95 states and 188 transitions. [2024-12-05 22:44:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 188 transitions. [2024-12-05 22:44:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:44:00,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:00,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:00,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:44:00,892 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:44:00,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:44:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:01,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:44:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:01,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:44:01,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:44:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-05 22:44:02,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:44:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 103 states and 199 transitions. [2024-12-05 22:44:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 199 transitions. [2024-12-05 22:44:24,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:44:24,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:24,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:24,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:44:24,079 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:44:24,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:44:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:24,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:44:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:24,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:44:24,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:44:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 34 proven. 35 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-05 22:44:27,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:44:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 104 states and 200 transitions. [2024-12-05 22:44:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 200 transitions. [2024-12-05 22:44:30,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:44:30,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:30,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:30,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:44:30,320 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:44:30,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:44:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:30,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:44:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:30,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:44:30,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:44:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-05 22:44:32,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:44:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 111 states and 209 transitions. [2024-12-05 22:44:51,530 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 209 transitions. [2024-12-05 22:44:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 22:44:51,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:51,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:51,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:44:51,533 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:44:51,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:44:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:51,912 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:44:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:52,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:44:52,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:44:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 11 proven. 97 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 22:44:57,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:45:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 119 states and 224 transitions. [2024-12-05 22:45:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 224 transitions. [2024-12-05 22:45:25,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:45:25,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:25,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:25,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:25,754 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:25,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:45:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:26,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:26,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:45:26,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-05 22:45:28,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:45:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 120 states and 225 transitions. [2024-12-05 22:45:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 225 transitions. [2024-12-05 22:45:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:45:31,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:31,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:31,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:31,957 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:31,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:45:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:32,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:32,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:45:32,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 97 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-05 22:45:33,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:45:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 125 states and 233 transitions. [2024-12-05 22:45:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 233 transitions. [2024-12-05 22:45:49,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:45:49,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:49,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:49,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:49,747 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:49,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:45:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:57,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:57,694 WARN L254 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-05 22:45:57,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:57,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2024-12-05 22:45:57,928 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 [2024-12-05 22:45:58,353 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:58,354 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 [2024-12-05 22:46:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:02,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:46:02,016 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 [2024-12-05 22:46:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:03,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:46:03,297 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 56 [2024-12-05 22:46:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:04,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:46:04,735 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 60 treesize of output 71 [2024-12-05 22:46:08,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:08,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:46:08,922 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 70 treesize of output 84 [2024-12-05 22:46:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:10,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:46:10,479 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 82 treesize of output 99 [2024-12-05 22:46:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:12,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:46:12,140 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 94 treesize of output 114 [2024-12-05 22:46:35,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:36,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:46:36,055 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 90 treesize of output 28 [2024-12-05 22:46:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:38,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-12-05 22:48:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 153 states and 286 transitions. [2024-12-05 22:48:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 286 transitions. [2024-12-05 22:48:22,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:48:22,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:22,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:22,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:22,038 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:22,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 22:48:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:22,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:22,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:48:22,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 45 proven. 68 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-05 22:48:23,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-12-05 22:48:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 154 states and 287 transitions. [2024-12-05 22:48:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 287 transitions. [2024-12-05 22:48:27,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:48:27,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:27,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:27,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:27,156 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:27,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 22:48:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:27,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:27,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:48:27,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 22:48:30,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 22:48:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 154 states and 285 transitions. [2024-12-05 22:48:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 285 transitions. [2024-12-05 22:48:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:48:34,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:34,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:34,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:34,849 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:34,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 22:48:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:35,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:35,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:48:35,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 47 proven. 60 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-05 22:48:46,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abca5324-b98c-459a-9fef-2b55775fe4d8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0