./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/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_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7870b42a63b59b364c5190e807226b403761bdc30acb17e66a1329fa0ed9e16 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:43:49,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:43:49,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 22:43:49,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:43:49,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:43:49,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:43:49,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:43:49,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:43:49,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:43:49,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:43:49,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:43:49,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:43:49,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:43:49,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:43:49,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:43:49,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:43:49,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:43:49,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:43:49,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:43:49,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:43:49,807 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:43:49,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:43:49,807 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_cb8c537a-76c2-484b-ad72-2dab29eb28a4/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e7870b42a63b59b364c5190e807226b403761bdc30acb17e66a1329fa0ed9e16 [2024-12-05 22:43:50,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:43:50,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:43:50,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:43:50,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:43:50,021 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:43:50,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2024-12-05 22:43:52,664 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data/3297b2f23/77ab6818badb40009fef34ed1f7ffffb/FLAG40df5d74a [2024-12-05 22:43:52,864 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:43:52,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2024-12-05 22:43:52,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data/3297b2f23/77ab6818badb40009fef34ed1f7ffffb/FLAG40df5d74a [2024-12-05 22:43:52,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data/3297b2f23/77ab6818badb40009fef34ed1f7ffffb [2024-12-05 22:43:52,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:43:52,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:43:52,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:43:52,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:43:52,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:43:52,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:43:52" (1/1) ... [2024-12-05 22:43:52,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65cff31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:52, skipping insertion in model container [2024-12-05 22:43:52,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:43:52" (1/1) ... [2024-12-05 22:43:52,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:43:53,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:43:53,175 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:43:53,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:43:53,237 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:43:53,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53 WrapperNode [2024-12-05 22:43:53,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:43:53,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:43:53,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:43:53,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:43:53,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,269 INFO L138 Inliner]: procedures = 125, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-12-05 22:43:53,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:43:53,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:43:53,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:43:53,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:43:53,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:43:53,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:43:53,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:43:53,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:43:53,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:43:53,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:43:53,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:43:53,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:43:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:43:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:43:53,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:43:53,427 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:43:53,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:43:53,610 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-12-05 22:43:53,610 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:43:53,645 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:43:53,646 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:43:53,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:43:53 BoogieIcfgContainer [2024-12-05 22:43:53,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:43:53,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:43:53,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:43:53,655 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:43:53,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:43:53" (1/1) ... [2024-12-05 22:43:53,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:43:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2024-12-05 22:43:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2024-12-05 22:43:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:43:53,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:53,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:53,879 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 22:43:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-12-05 22:43:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-12-05 22:43:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:43:53,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:53,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:54,032 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 22:43:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2024-12-05 22:43:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2024-12-05 22:43:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:43:54,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:54,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:54,176 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 22:43:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2024-12-05 22:43:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2024-12-05 22:43:54,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:43:54,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:54,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:54,305 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 22:43:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2024-12-05 22:43:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2024-12-05 22:43:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:43:54,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:54,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:54,348 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 22:43:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2024-12-05 22:43:54,361 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2024-12-05 22:43:54,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:43:54,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:54,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:54,416 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 22:43:54,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:54,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2024-12-05 22:43:54,439 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2024-12-05 22:43:54,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:43:54,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:54,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:54,699 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 22:43:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2024-12-05 22:43:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2024-12-05 22:43:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:43:55,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:55,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:55,191 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 22:43:55,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2024-12-05 22:43:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2024-12-05 22:43:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:43:55,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:55,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:55,620 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 22:43:55,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2024-12-05 22:43:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2024-12-05 22:43:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:43:55,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:55,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:55,808 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 22:43:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2024-12-05 22:43:55,979 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2024-12-05 22:43:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:43:55,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:55,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:56,323 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 22:43:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2024-12-05 22:43:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2024-12-05 22:43:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:43:57,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:57,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:57,957 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 22:43:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2024-12-05 22:43:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2024-12-05 22:43:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:43:59,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:59,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:00,042 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 22:44:02,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:02,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2024-12-05 22:44:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2024-12-05 22:44:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:44:02,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:02,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:02,684 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 22:44:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2024-12-05 22:44:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2024-12-05 22:44:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:44:05,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:05,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:05,525 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 22:44:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:05,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2024-12-05 22:44:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2024-12-05 22:44:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:44:05,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:05,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:05,630 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 22:44:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2024-12-05 22:44:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2024-12-05 22:44:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:44:05,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:05,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:06,638 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 22:44:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-12-05 22:44:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-12-05 22:44:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:44:10,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:10,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:12,337 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 22:44:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-12-05 22:44:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-12-05 22:44:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:44:16,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:16,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:18,259 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 22:44:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-12-05 22:44:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-12-05 22:44:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:44:21,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:21,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:23,375 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 22:44:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-12-05 22:44:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-12-05 22:44:31,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:44:31,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:31,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:31,355 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 22:44:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2024-12-05 22:44:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-12-05 22:44:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:44:32,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:32,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:33,136 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 22:44:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2024-12-05 22:44:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2024-12-05 22:44:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:44:35,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:35,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:37,405 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 22:44:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2024-12-05 22:44:42,889 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-12-05 22:44:42,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:44:42,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:42,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:42,936 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 22:44:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2024-12-05 22:44:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-12-05 22:44:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:44:45,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:45,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:45,442 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 22:44:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2024-12-05 22:44:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-12-05 22:44:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:44:45,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:45,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:47,702 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 22:44:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions. [2024-12-05 22:44:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-12-05 22:44:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:44:59,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:59,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:44:59,891 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:44:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:00,062 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:45:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:00,105 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-12-05 22:45:00,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:45:00 ImpRootNode [2024-12-05 22:45:00,130 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:45:00,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:45:00,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:45:00,131 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:45:00,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:43:53" (3/4) ... [2024-12-05 22:45:00,134 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:45:00,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:45:00,136 INFO L158 Benchmark]: Toolchain (without parser) took 67245.96ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 91.6MB in the beginning and 167.1MB in the end (delta: -75.5MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2024-12-05 22:45:00,136 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:00,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.10ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 74.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:45:00,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.54ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:00,137 INFO L158 Benchmark]: Boogie Preprocessor took 17.53ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:00,137 INFO L158 Benchmark]: RCFGBuilder took 358.81ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 53.1MB in the end (delta: 18.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:45:00,138 INFO L158 Benchmark]: CodeCheck took 66483.53ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 53.0MB in the beginning and 167.2MB in the end (delta: -114.2MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2024-12-05 22:45:00,138 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 302.0MB. Free memory was 167.2MB in the beginning and 167.1MB in the end (delta: 57.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:00,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 53 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 66.4s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 706 SdHoareTripleChecker+Valid, 9.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 666 mSDsluCounter, 142 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100 mSDsCounter, 1773 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5701 IncrementalHoareTripleChecker+Invalid, 7474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1773 mSolverCounterUnsat, 42 mSDtfsCounter, 5701 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1789 GetRequests, 1281 SyntacticMatches, 32 SemanticMatches, 476 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95307 ImplicationChecksByTransitivity, 62.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 1951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 545]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 545. Possible FailurePath: [L546] TData data; [L547] CALL alloc_data(&data) [L529] pdata->lo = (int *)malloc(sizeof(int)) [L530] pdata->hi = (int *)malloc(sizeof(int)) [L531] EXPR pdata->lo VAL [pdata={9311:0}] [L531] *(pdata->lo) = 4 [L532] EXPR pdata->hi [L532] *(pdata->hi) = 8 [L547] RET alloc_data(&data) [L548] CALL free_data(&data) [L536] EXPR data->lo [L536] int *lo = data->lo; [L537] EXPR data->hi [L537] int *hi = data->hi; [L538] EXPR \read(*lo) VAL [data={9311:0}, hi={9309:0}, lo={-1:0}] [L538] EXPR \read(*hi) VAL [data={9311:0}, hi={9309:0}, lo={-1:0}] [L538] COND FALSE !(*lo >= *hi) [L542] data->lo = ((void *)0) VAL [data={9311:0}, hi={9309:0}, lo={-1:0}] [L543] data->hi = ((void *)0) [L548] RET free_data(&data) [L549] return 0; [L549] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.10ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 74.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.54ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.53ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.81ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 53.1MB in the end (delta: 18.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 66483.53ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 53.0MB in the beginning and 167.2MB in the end (delta: -114.2MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 302.0MB. Free memory was 167.2MB in the beginning and 167.1MB in the end (delta: 57.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:45:00,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/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_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/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_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7870b42a63b59b364c5190e807226b403761bdc30acb17e66a1329fa0ed9e16 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:45:01,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:45:02,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 22:45:02,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:45:02,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:45:02,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:45:02,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:45:02,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:45:02,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:45:02,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:45:02,097 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:45:02,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:45:02,098 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:45:02,098 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:45:02,098 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:45:02,098 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:02,098 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:45:02,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:45:02,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:02,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:45:02,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:45:02,099 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:45:02,099 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:02,099 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:45:02,099 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_cb8c537a-76c2-484b-ad72-2dab29eb28a4/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e7870b42a63b59b364c5190e807226b403761bdc30acb17e66a1329fa0ed9e16 [2024-12-05 22:45:02,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:45:02,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:45:02,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:45:02,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:45:02,341 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:45:02,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2024-12-05 22:45:05,057 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data/dfb3a1c49/1ba6d0a90a9e45a4b717dec34d8601f9/FLAG18c025ebb [2024-12-05 22:45:05,279 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:45:05,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2024-12-05 22:45:05,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data/dfb3a1c49/1ba6d0a90a9e45a4b717dec34d8601f9/FLAG18c025ebb [2024-12-05 22:45:05,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/data/dfb3a1c49/1ba6d0a90a9e45a4b717dec34d8601f9 [2024-12-05 22:45:05,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:45:05,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:45:05,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:05,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:45:05,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:45:05,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b412a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05, skipping insertion in model container [2024-12-05 22:45:05,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:45:05,837 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:45:05,837 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:45:05,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:05,851 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:45:05,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:05,911 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:45:05,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05 WrapperNode [2024-12-05 22:45:05,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:05,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:05,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:45:05,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:45:05,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,947 INFO L138 Inliner]: procedures = 128, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-12-05 22:45:05,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:05,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:45:05,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:45:05,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:45:05,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:45:05,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:45:05,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:45:05,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:45:05,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:05" (1/1) ... [2024-12-05 22:45:05,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:05,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:45:06,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:45:06,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:45:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:45:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:45:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:45:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:45:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 22:45:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:45:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:45:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:45:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:45:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:45:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:45:06,134 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:45:06,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:45:06,432 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-12-05 22:45:06,432 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:45:06,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:45:06,479 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:45:06,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:06 BoogieIcfgContainer [2024-12-05 22:45:06,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:45:06,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:45:06,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:45:06,491 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:45:06,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:06" (1/1) ... [2024-12-05 22:45:06,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:45:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2024-12-05 22:45:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2024-12-05 22:45:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:45:06,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:06,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:06,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:06,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:06,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:45:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:06,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:06,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:45:06,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:06,708 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-05 22:45:06,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-05 22:45:06,727 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 22:45:06,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:45:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-12-05 22:45:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-12-05 22:45:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:45:06,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:06,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:06,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:06,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:06,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:45:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:06,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:06,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 22:45:06,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:06,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:45:06,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-12-05 22:45:06,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:45:06,914 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 22:45:06,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 22:45:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2024-12-05 22:45:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2024-12-05 22:45:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:45:07,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:07,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:07,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:07,032 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:07,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:45:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:07,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:07,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:45:07,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:07,173 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 22:45:07,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 22:45:07,178 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 22:45:07,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:45:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2024-12-05 22:45:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2024-12-05 22:45:07,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:45:07,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:07,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:07,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:07,220 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:07,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:45:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:07,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:07,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:45:07,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:07,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:45:07,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-12-05 22:45:07,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:45:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:45:07,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-12-05 22:45:07,412 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 22:45:07,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 22:45:07,417 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 22:45:07,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:45:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2024-12-05 22:45:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2024-12-05 22:45:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:45:07,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:07,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:07,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:07,456 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:07,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:45:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:07,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:07,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:45:07,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:07,570 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 22:45:07,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:45:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2024-12-05 22:45:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2024-12-05 22:45:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:45:07,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:07,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:07,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:07,602 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:07,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:45:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:07,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:07,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:45:07,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:07,774 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 22:45:07,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:45:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2024-12-05 22:45:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2024-12-05 22:45:07,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:45:07,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:07,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:07,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:07,922 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:07,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:45:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:08,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:08,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:45:08,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:08,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 22:45:08,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:45:08,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:45:08,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-12-05 22:45:08,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:45:08,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:45:08,178 INFO L349 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2024-12-05 22:45:08,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2024-12-05 22:45:08,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 13 [2024-12-05 22:45:08,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:45:08,243 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 29 treesize of output 13 [2024-12-05 22:45:08,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-05 22:45:08,298 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 22:45:08,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:45:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:08,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2024-12-05 22:45:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2024-12-05 22:45:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:45:08,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:08,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:08,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:08,959 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:08,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:45:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:09,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:09,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:45:09,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:09,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 22:45:09,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:45:09,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-12-05 22:45:09,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:45:09,184 INFO L349 Elim1Store]: treesize reduction 36, result has 35.7 percent of original size [2024-12-05 22:45:09,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 28 [2024-12-05 22:45:09,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-05 22:45:09,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 22:45:09,276 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 22:45:09,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:45:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2024-12-05 22:45:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2024-12-05 22:45:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:45:10,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:10,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:10,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:10,011 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:10,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:45:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:10,086 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:10,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:45:10,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:10,113 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 22:45:10,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:45:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2024-12-05 22:45:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2024-12-05 22:45:10,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:45:10,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:10,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:10,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:10,295 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:10,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:45:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:10,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:10,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:45:10,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:10,493 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 22:45:10,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:45:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2024-12-05 22:45:11,334 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2024-12-05 22:45:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:45:11,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:11,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:11,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:11,336 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:11,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:45:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:11,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:11,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:45:11,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:11,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:45:11,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 22:45:11,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:45:11,630 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 28 treesize of output 12 [2024-12-05 22:45:11,814 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:45:11,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2024-12-05 22:45:11,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:11,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2024-12-05 22:45:11,883 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 22:45:11,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:45:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2024-12-05 22:45:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2024-12-05 22:45:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:45:14,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:14,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:14,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:14,044 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:14,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:45:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:14,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:14,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:45:14,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:14,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:45:14,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:45:14,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:45:14,334 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 28 treesize of output 12 [2024-12-05 22:45:14,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-05 22:45:14,622 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:45:14,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2024-12-05 22:45:14,628 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 26 treesize of output 13 [2024-12-05 22:45:14,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-05 22:45:14,768 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 22:45:14,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:45:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2024-12-05 22:45:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2024-12-05 22:45:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:45:18,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:18,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:18,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:18,161 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:18,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:45:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:18,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:18,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:45:18,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:18,638 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 22:45:18,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:45:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:22,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2024-12-05 22:45:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2024-12-05 22:45:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:45:22,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:22,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:22,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:22,944 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:22,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:45:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:23,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:23,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:45:23,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:23,634 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 22:45:23,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:45:29,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:29,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2024-12-05 22:45:29,385 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2024-12-05 22:45:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:45:29,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:29,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:29,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:29,387 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:29,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:45:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:29,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:29,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:45:29,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:29,532 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 22:45:29,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:45:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2024-12-05 22:45:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2024-12-05 22:45:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:45:29,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:29,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:29,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:29,554 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:29,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:45:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:29,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:29,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:45:29,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:29,741 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 22:45:29,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:45:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2024-12-05 22:45:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2024-12-05 22:45:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:45:29,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:29,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:29,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:29,771 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:29,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:45:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:29,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:29,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 22:45:29,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:30,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:45:30,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:45:30,200 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 22:45:30,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 22:45:30,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:45:30,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-12-05 22:45:30,961 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:45:30,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 43 [2024-12-05 22:45:31,555 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-05 22:45:31,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 47 [2024-12-05 22:45:31,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:31,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2024-12-05 22:45:32,086 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 22:45:32,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:45:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-12-05 22:45:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-12-05 22:45:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:45:40,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:40,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:40,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:40,693 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:40,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:45:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:40,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:40,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 22:45:40,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:40,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:45:41,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:45:41,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:45:41,205 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 22:45:41,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 22:45:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:45:41,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-12-05 22:45:41,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:45:41,506 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 27 treesize of output 11 [2024-12-05 22:45:42,138 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:45:42,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-12-05 22:45:42,150 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 24 treesize of output 11 [2024-12-05 22:45:42,802 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-05 22:45:42,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 61 [2024-12-05 22:45:42,808 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 28 treesize of output 11 [2024-12-05 22:45:43,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 17 [2024-12-05 22:45:43,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-12-05 22:45:43,466 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 22:45:43,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:45:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-12-05 22:45:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-12-05 22:45:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:45:52,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:52,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:52,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:52,487 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:52,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:45:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:52,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:52,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 22:45:52,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:52,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:45:53,113 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-05 22:45:53,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-12-05 22:45:53,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:45:53,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-05 22:45:54,231 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:45:54,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:45:54,669 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:45:54,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:45:55,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-12-05 22:45:55,453 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 22:45:55,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:46:02,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-12-05 22:46:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-12-05 22:46:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:46:02,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:02,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:02,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:02,104 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:02,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:46:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:02,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:02,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 22:46:02,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:02,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:46:02,421 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 22:46:02,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 22:46:02,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:46:02,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-05 22:46:03,504 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:46:03,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-12-05 22:46:03,906 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:46:03,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 57 [2024-12-05 22:46:03,914 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 45 treesize of output 28 [2024-12-05 22:46:04,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-05 22:46:04,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 32 treesize of output 16 [2024-12-05 22:46:05,298 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 22:46:05,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:46:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:19,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-12-05 22:46:19,515 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-12-05 22:46:19,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:46:19,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:19,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:19,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:19,517 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:19,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:46:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:19,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:19,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:46:19,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:19,693 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 22:46:19,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:46:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2024-12-05 22:46:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-12-05 22:46:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:46:24,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:24,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:24,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:24,090 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:46:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:24,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:24,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:46:24,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:24,864 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 22:46:24,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:46:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2024-12-05 22:46:34,306 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-12-05 22:46:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:46:34,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:34,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:34,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:34,308 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:34,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:46:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:34,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:34,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 22:46:34,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:34,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:46:34,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:46:34,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 22:46:34,635 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 22:46:34,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 22:46:34,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:34,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-12-05 22:46:34,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:34,663 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 27 treesize of output 11 [2024-12-05 22:46:35,221 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:46:35,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 46 [2024-12-05 22:46:35,227 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 24 treesize of output 11 [2024-12-05 22:46:35,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-12-05 22:46:35,614 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 16 treesize of output 11 [2024-12-05 22:46:36,346 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 22:46:36,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:46:43,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2024-12-05 22:46:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-12-05 22:46:43,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:46:43,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:43,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:43,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:43,879 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:43,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:46:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:43,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:44,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:46:44,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:44,751 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 22:46:44,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:46:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2024-12-05 22:46:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-12-05 22:46:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:46:59,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:59,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:59,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:59,050 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:59,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:46:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:59,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:59,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:46:59,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:59,245 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 22:46:59,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:47:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2024-12-05 22:47:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-12-05 22:47:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:47:01,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:01,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:01,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:01,112 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:01,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:47:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:01,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:01,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 22:47:01,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:01,424 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-12-05 22:47:01,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2024-12-05 22:47:01,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 22:47:01,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 22:47:01,971 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-12-05 22:47:01,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 26 [2024-12-05 22:47:02,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-12-05 22:47:02,507 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 23 treesize of output 11 [2024-12-05 22:47:03,623 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:47:03,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 67 [2024-12-05 22:47:03,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-12-05 22:47:03,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 22:47:04,796 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 22:47:04,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 80 [2024-12-05 22:47:04,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2024-12-05 22:47:04,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 24 [2024-12-05 22:47:06,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 37 [2024-12-05 22:47:06,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-12-05 22:47:07,199 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:47:07,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2024-12-05 22:47:07,697 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 22:47:07,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:47:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:47,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2024-12-05 22:47:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2024-12-05 22:47:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:47:47,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:47,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:47,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:47,350 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:47,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:47:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:47:47,675 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:47:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:47:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:47:48,568 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:47:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:47:49,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:47:49,247 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-12-05 22:47:49,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:47:49 ImpRootNode [2024-12-05 22:47:49,269 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:47:49,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:47:49,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:47:49,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:47:49,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:06" (3/4) ... [2024-12-05 22:47:49,271 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:47:49,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:47:49,272 INFO L158 Benchmark]: Toolchain (without parser) took 163665.57ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 68.3MB in the beginning and 55.9MB in the end (delta: 12.5MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-12-05 22:47:49,273 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:47:49,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.14ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 50.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:47:49,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.73ms. Allocated memory is still 92.3MB. Free memory was 50.4MB in the beginning and 48.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:47:49,273 INFO L158 Benchmark]: Boogie Preprocessor took 22.89ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 47.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:47:49,273 INFO L158 Benchmark]: RCFGBuilder took 508.64ms. Allocated memory is still 92.3MB. Free memory was 47.4MB in the beginning and 52.9MB in the end (delta: -5.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-12-05 22:47:49,273 INFO L158 Benchmark]: CodeCheck took 162788.23ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 52.9MB in the beginning and 55.9MB in the end (delta: -3.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-12-05 22:47:49,274 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 55.9MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:47:49,275 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 53 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 162.7s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 665 SdHoareTripleChecker+Valid, 22.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 620 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 20.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 1653 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5873 IncrementalHoareTripleChecker+Invalid, 7526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1653 mSolverCounterUnsat, 44 mSDtfsCounter, 5873 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1897 GetRequests, 1418 SyntacticMatches, 35 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87375 ImplicationChecksByTransitivity, 151.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 22.4s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 185 ConstructedInterpolants, 3 QuantifiedInterpolants, 2648 SizeOfPredicates, 67 NumberOfNonLiveVariables, 2439 ConjunctsInSsa, 296 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 545]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 545. Possible FailurePath: [L546] TData data; [L547] CALL alloc_data(&data) [L529] pdata->lo = (int *)malloc(sizeof(int)) [L530] pdata->hi = (int *)malloc(sizeof(int)) [L531] EXPR pdata->lo VAL [pdata={536870950:0}] [L531] *(pdata->lo) = 4 [L532] EXPR pdata->hi [L532] *(pdata->hi) = 8 [L547] RET alloc_data(&data) [L548] CALL free_data(&data) [L536] EXPR data->lo [L536] int *lo = data->lo; [L537] EXPR data->hi [L537] int *hi = data->hi; [L538] EXPR \read(*lo) VAL [data={536870950:0}, hi={32:0}, lo={536870914:0}] [L538] EXPR \read(*hi) VAL [data={536870950:0}, hi={32:0}, lo={536870914:0}] [L538] COND FALSE !(*lo >= *hi) [L542] data->lo = ((void *)0) VAL [data={536870950:0}, hi={32:0}, lo={536870914:0}] [L543] data->hi = ((void *)0) [L548] RET free_data(&data) [L549] return 0; [L549] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.14ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 50.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.73ms. Allocated memory is still 92.3MB. Free memory was 50.4MB in the beginning and 48.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.89ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 47.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.64ms. Allocated memory is still 92.3MB. Free memory was 47.4MB in the beginning and 52.9MB in the end (delta: -5.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * CodeCheck took 162788.23ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 52.9MB in the beginning and 55.9MB in the end (delta: -3.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 55.9MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:47:49,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8c537a-76c2-484b-ad72-2dab29eb28a4/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample