./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.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_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:14:26,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:14:26,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 06:14:26,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:14:26,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:14:26,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:14:26,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:14:26,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:14:26,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:14:26,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:14:26,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:14:26,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:14:26,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:14:26,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:14:26,281 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:14:26,281 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:14:26,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:14:26,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:14:26,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:14:26,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:14:26,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:14:26,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:14:26,282 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_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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 -> 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 [2024-12-06 06:14:26,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:14:26,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:14:26,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:14:26,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:14:26,499 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:14:26,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2024-12-06 06:14:29,126 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data/4a2b00f21/1a2297daaf674164b18660f9e88cc584/FLAG95e358111 [2024-12-06 06:14:29,359 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:14:29,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2024-12-06 06:14:29,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data/4a2b00f21/1a2297daaf674164b18660f9e88cc584/FLAG95e358111 [2024-12-06 06:14:29,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data/4a2b00f21/1a2297daaf674164b18660f9e88cc584 [2024-12-06 06:14:29,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:14:29,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:14:29,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:14:29,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:14:29,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:14:29,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:14:29" (1/1) ... [2024-12-06 06:14:29,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614b2320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:29, skipping insertion in model container [2024-12-06 06:14:29,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:14:29" (1/1) ... [2024-12-06 06:14:29,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:14:29,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:14:29,963 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:14:30,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:14:30,024 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:14:30,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30 WrapperNode [2024-12-06 06:14:30,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:14:30,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:14:30,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:14:30,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:14:30,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,057 INFO L138 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-12-06 06:14:30,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:14:30,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:14:30,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:14:30,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:14:30,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,075 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:14:30,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:14:30,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:14:30,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:14:30,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:14:30,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:14:30,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:14:30,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:14:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:14:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:14:30,231 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:14:30,232 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:14:30,564 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-12-06 06:14:30,564 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:14:30,614 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:14:30,614 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 06:14:30,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:14:30 BoogieIcfgContainer [2024-12-06 06:14:30,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:14:30,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:14:30,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:14:30,625 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:14:30,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:14:30" (1/1) ... [2024-12-06 06:14:30,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:14:30,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 126 states and 144 transitions. [2024-12-06 06:14:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2024-12-06 06:14:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 06:14:30,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:30,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 125 states and 143 transitions. [2024-12-06 06:14:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2024-12-06 06:14:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 06:14:30,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:30,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:31,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:31,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 124 states and 142 transitions. [2024-12-06 06:14:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2024-12-06 06:14:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:14:31,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:31,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 123 states and 141 transitions. [2024-12-06 06:14:31,083 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2024-12-06 06:14:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:14:31,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:31,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 122 states and 140 transitions. [2024-12-06 06:14:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2024-12-06 06:14:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:14:31,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:31,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 121 states and 139 transitions. [2024-12-06 06:14:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2024-12-06 06:14:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:14:31,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:31,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 120 states and 138 transitions. [2024-12-06 06:14:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2024-12-06 06:14:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:14:31,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:31,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:31,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2024-12-06 06:14:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2024-12-06 06:14:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:14:31,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:31,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 122 states and 142 transitions. [2024-12-06 06:14:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2024-12-06 06:14:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:14:31,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:31,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 121 states and 141 transitions. [2024-12-06 06:14:31,971 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2024-12-06 06:14:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:14:31,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 120 states and 140 transitions. [2024-12-06 06:14:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2024-12-06 06:14:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:14:32,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:32,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 122 states and 143 transitions. [2024-12-06 06:14:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2024-12-06 06:14:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:14:32,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:32,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:33,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 124 states and 146 transitions. [2024-12-06 06:14:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2024-12-06 06:14:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:14:33,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:33,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 124 states and 142 transitions. [2024-12-06 06:14:33,607 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2024-12-06 06:14:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:14:33,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:33,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2024-12-06 06:14:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2024-12-06 06:14:33,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:14:33,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 126 states and 145 transitions. [2024-12-06 06:14:34,098 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2024-12-06 06:14:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:14:34,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:34,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 132 states and 156 transitions. [2024-12-06 06:14:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2024-12-06 06:14:34,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:14:34,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:34,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:35,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 138 states and 166 transitions. [2024-12-06 06:14:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2024-12-06 06:14:35,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:14:35,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:35,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 141 states and 171 transitions. [2024-12-06 06:14:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 171 transitions. [2024-12-06 06:14:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 06:14:35,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:35,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:37,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:37,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 145 states and 178 transitions. [2024-12-06 06:14:37,174 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2024-12-06 06:14:37,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 06:14:37,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 149 states and 185 transitions. [2024-12-06 06:14:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2024-12-06 06:14:39,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:14:39,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:39,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 148 states and 184 transitions. [2024-12-06 06:14:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 184 transitions. [2024-12-06 06:14:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:14:39,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 150 states and 188 transitions. [2024-12-06 06:14:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 188 transitions. [2024-12-06 06:14:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:14:40,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:40,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 152 states and 195 transitions. [2024-12-06 06:14:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2024-12-06 06:14:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:14:40,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:40,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 152 states and 194 transitions. [2024-12-06 06:14:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2024-12-06 06:14:40,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:14:40,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:40,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 158 states and 203 transitions. [2024-12-06 06:14:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 203 transitions. [2024-12-06 06:14:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:14:42,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:42,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:42,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 157 states and 202 transitions. [2024-12-06 06:14:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 202 transitions. [2024-12-06 06:14:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:14:42,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:42,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 159 states and 204 transitions. [2024-12-06 06:14:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2024-12-06 06:14:43,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:14:43,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:43,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 161 states and 208 transitions. [2024-12-06 06:14:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 208 transitions. [2024-12-06 06:14:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:14:44,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:44,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:44,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 163 states and 211 transitions. [2024-12-06 06:14:44,940 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2024-12-06 06:14:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:14:44,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:44,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:44,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 162 states and 210 transitions. [2024-12-06 06:14:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2024-12-06 06:14:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:14:44,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:44,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 161 states and 209 transitions. [2024-12-06 06:14:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 209 transitions. [2024-12-06 06:14:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:14:45,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:45,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 164 states and 214 transitions. [2024-12-06 06:14:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 214 transitions. [2024-12-06 06:14:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:14:46,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:46,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 166 states and 218 transitions. [2024-12-06 06:14:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 218 transitions. [2024-12-06 06:14:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:14:48,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:48,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 168 states and 220 transitions. [2024-12-06 06:14:49,321 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2024-12-06 06:14:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:14:49,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:49,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 169 states and 220 transitions. [2024-12-06 06:14:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 220 transitions. [2024-12-06 06:14:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:14:49,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:49,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 175 states and 231 transitions. [2024-12-06 06:14:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2024-12-06 06:14:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:14:50,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:50,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 178 states and 236 transitions. [2024-12-06 06:14:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2024-12-06 06:14:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:14:52,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:52,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:52,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 179 states and 238 transitions. [2024-12-06 06:14:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 238 transitions. [2024-12-06 06:14:52,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:14:52,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:52,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 180 states and 239 transitions. [2024-12-06 06:14:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2024-12-06 06:14:53,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:14:53,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:53,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:53,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:55,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:55,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 184 states and 246 transitions. [2024-12-06 06:14:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 246 transitions. [2024-12-06 06:14:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:14:55,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:55,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 186 states and 250 transitions. [2024-12-06 06:14:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 250 transitions. [2024-12-06 06:14:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:14:56,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:56,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:56,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 185 states and 249 transitions. [2024-12-06 06:14:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 249 transitions. [2024-12-06 06:14:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:14:56,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:56,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 132 states and 165 transitions. [2024-12-06 06:14:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 165 transitions. [2024-12-06 06:14:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:14:58,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:58,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 06:15:01,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 139 states and 176 transitions. [2024-12-06 06:15:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 176 transitions. [2024-12-06 06:15:01,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:15:01,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:01,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 148 states and 192 transitions. [2024-12-06 06:15:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 192 transitions. [2024-12-06 06:15:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:15:05,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:05,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 161 states and 218 transitions. [2024-12-06 06:15:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 218 transitions. [2024-12-06 06:15:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:15:11,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 167 states and 228 transitions. [2024-12-06 06:15:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 228 transitions. [2024-12-06 06:15:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:15:12,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:12,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 06:15:14,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:14,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 171 states and 233 transitions. [2024-12-06 06:15:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 233 transitions. [2024-12-06 06:15:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:15:14,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:14,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 231 transitions. [2024-12-06 06:15:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 231 transitions. [2024-12-06 06:15:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:15:14,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:14,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 173 states and 240 transitions. [2024-12-06 06:15:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2024-12-06 06:15:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:15:14,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:14,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:15:14,717 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:15:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:15:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:15:14,769 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:15:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:15:14,798 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 51 iterations. [2024-12-06 06:15:14,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:15:14 ImpRootNode [2024-12-06 06:15:14,824 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:15:14,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:15:14,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:15:14,825 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:15:14,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:14:30" (3/4) ... [2024-12-06 06:15:14,827 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:15:14,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:15:14,829 INFO L158 Benchmark]: Toolchain (without parser) took 45123.05ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 114.7MB in the beginning and 151.4MB in the end (delta: -36.7MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. [2024-12-06 06:15:14,829 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:15:14,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.32ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 97.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:15:14,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.19ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:15:14,830 INFO L158 Benchmark]: Boogie Preprocessor took 23.55ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:15:14,830 INFO L158 Benchmark]: RCFGBuilder took 532.75ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 63.9MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:15:14,830 INFO L158 Benchmark]: CodeCheck took 44208.59ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 63.9MB in the beginning and 151.4MB in the end (delta: -87.6MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. [2024-12-06 06:15:14,831 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 343.9MB. Free memory was 151.4MB in the beginning and 151.4MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:15:14,832 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, 126 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 44.2s, OverallIterations: 51, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6099 SdHoareTripleChecker+Valid, 23.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4228 mSDsluCounter, 4622 SdHoareTripleChecker+Invalid, 20.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3344 mSDsCounter, 4857 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16333 IncrementalHoareTripleChecker+Invalid, 21190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4857 mSolverCounterUnsat, 1278 mSDtfsCounter, 16333 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5091 GetRequests, 4596 SyntacticMatches, 69 SemanticMatches, 426 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79786 ImplicationChecksByTransitivity, 38.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 653 NumberOfCodeBlocks, 653 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 584 ConstructedInterpolants, 0 QuantifiedInterpolants, 2869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 47 PerfectInterpolantSequences, 4/10 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: 991]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 991. Possible FailurePath: [L1005] SLL* list = malloc(sizeof(SLL)); [L1006] list->next = ((void*)0) VAL [list={-1:0}] [L1007] list->prev = ((void*)0) VAL [list={-1:0}] [L1008] list->colour = BLACK [L1010] SLL* end = list; VAL [end={-1:0}, list={-1:0}] [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1036] end = ((void*)0) [L1037] end = list VAL [end={-1:0}, list={-1:0}] [L1040] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}] [L1040] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}] [L1041] EXPR end->colour VAL [end={-1:0}, list={-1:0}] [L1041] COND FALSE !(!(BLACK == end->colour)) [L1041] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}] [L1043] COND TRUE ((void*)0) != end VAL [end={-1:0}, list={-1:0}] [L1045] EXPR end->colour VAL [end={-1:0}, list={-1:0}] [L1045] COND FALSE !(RED == end->colour) [L1051] EXPR end->next VAL [end={-1:0}, list={-1:0}] [L1051] COND TRUE !(end->next) [L1051] CALL reach_error() [L991] COND FALSE !(0) [L991] __assert_fail ("0", "dll-rb-cnstr_1-2.c", 11, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.32ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 97.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.19ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.55ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 532.75ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 63.9MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 44208.59ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 63.9MB in the beginning and 151.4MB in the end (delta: -87.6MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 343.9MB. Free memory was 151.4MB in the beginning and 151.4MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:15:14,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:15:16,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:15:16,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 06:15:16,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:15:16,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:15:16,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:15:16,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:15:16,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:15:16,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:15:16,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:15:16,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:15:16,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:15:16,830 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:15:16,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:15:16,830 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:15:16,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:15:16,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:16,831 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:15:16,831 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_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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 -> 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 [2024-12-06 06:15:17,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:15:17,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:15:17,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:15:17,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:15:17,082 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:15:17,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2024-12-06 06:15:19,770 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data/4cb42f348/52e54008cc074741a420fedcbdaf324a/FLAG00304d275 [2024-12-06 06:15:19,995 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:15:19,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2024-12-06 06:15:20,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data/4cb42f348/52e54008cc074741a420fedcbdaf324a/FLAG00304d275 [2024-12-06 06:15:20,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/data/4cb42f348/52e54008cc074741a420fedcbdaf324a [2024-12-06 06:15:20,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:15:20,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:15:20,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:15:20,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:15:20,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:15:20,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f8c430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20, skipping insertion in model container [2024-12-06 06:15:20,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:15:20,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:15:20,311 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:15:20,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:15:20,377 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:15:20,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20 WrapperNode [2024-12-06 06:15:20,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:15:20,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:15:20,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:15:20,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:15:20,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,416 INFO L138 Inliner]: procedures = 122, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2024-12-06 06:15:20,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:15:20,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:15:20,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:15:20,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:15:20,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,437 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:15:20,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:15:20,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:15:20,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:15:20,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:20" (1/1) ... [2024-12-06 06:15:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:15:20,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:15:20,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:15:20,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:15:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:15:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:15:20,619 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:15:20,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:15:21,160 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-12-06 06:15:21,161 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:15:21,222 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:15:21,222 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 06:15:21,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:15:21 BoogieIcfgContainer [2024-12-06 06:15:21,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:15:21,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:15:21,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:15:21,233 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:15:21,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:15:21" (1/1) ... [2024-12-06 06:15:21,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:15:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 126 states and 144 transitions. [2024-12-06 06:15:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2024-12-06 06:15:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 06:15:21,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:21,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:21,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:21,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:21,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:15:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:15:21,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:21,446 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 [2024-12-06 06:15:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:21,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:15:21,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 125 states and 143 transitions. [2024-12-06 06:15:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2024-12-06 06:15:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 06:15:21,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:21,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:21,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:21,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:21,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:15:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:15:21,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:21,598 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 [2024-12-06 06:15:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:21,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 06:15:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 124 states and 142 transitions. [2024-12-06 06:15:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2024-12-06 06:15:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:15:21,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:21,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:21,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:21,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:21,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 06:15:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:21,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:21,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 06:15:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:21,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 123 states and 141 transitions. [2024-12-06 06:15:21,844 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2024-12-06 06:15:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:15:21,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:21,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:21,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:21,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:21,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 06:15:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:15:21,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:21,963 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 [2024-12-06 06:15:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:21,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 06:15:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:22,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 122 states and 140 transitions. [2024-12-06 06:15:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2024-12-06 06:15:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:15:22,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:22,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:22,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:22,022 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:22,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 06:15:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:22,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:22,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:22,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:22,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 06:15:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 121 states and 139 transitions. [2024-12-06 06:15:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2024-12-06 06:15:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:15:22,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:22,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:22,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:22,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:22,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 06:15:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:22,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:22,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:15:22,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:22,284 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 [2024-12-06 06:15:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:22,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 06:15:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:22,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 120 states and 138 transitions. [2024-12-06 06:15:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2024-12-06 06:15:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:15:22,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:22,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:22,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:22,340 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:22,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 06:15:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:22,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:22,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 06:15:22,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:22,522 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 06:15:22,523 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 [2024-12-06 06:15:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:22,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 06:15:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2024-12-06 06:15:22,594 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2024-12-06 06:15:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:15:22,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:22,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:22,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:22,596 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:22,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 06:15:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:22,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:22,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:15:22,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:22,769 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 [2024-12-06 06:15:22,778 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 [2024-12-06 06:15:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 06:15:22,878 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 [2024-12-06 06:15:22,892 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:15:22,892 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 [2024-12-06 06:15:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:22,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 06:15:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 122 states and 142 transitions. [2024-12-06 06:15:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2024-12-06 06:15:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:15:23,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:23,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:23,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:23,086 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:23,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 06:15:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:23,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:23,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:23,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:23,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 06:15:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 121 states and 141 transitions. [2024-12-06 06:15:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2024-12-06 06:15:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:15:23,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:23,245 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:23,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 06:15:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:23,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:23,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:15:23,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:23,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 06:15:23,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 120 states and 140 transitions. [2024-12-06 06:15:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2024-12-06 06:15:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:15:23,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:23,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:23,721 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:23,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 06:15:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:23,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:23,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 06:15:23,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:23,856 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 [2024-12-06 06:15:23,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 06:15:23,938 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 [2024-12-06 06:15:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:23,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 06:15:24,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 122 states and 143 transitions. [2024-12-06 06:15:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2024-12-06 06:15:24,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:15:24,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:24,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:24,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:24,535 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:24,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 06:15:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:24,634 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:24,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 06:15:24,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:24,676 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 [2024-12-06 06:15:24,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 06:15:24,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2024-12-06 06:15:24,818 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 [2024-12-06 06:15:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:24,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 06:15:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 124 states and 146 transitions. [2024-12-06 06:15:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2024-12-06 06:15:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:15:25,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:25,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:25,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:25,833 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:25,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 06:15:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:25,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:25,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 06:15:25,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:25,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 06:15:25,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 124 states and 142 transitions. [2024-12-06 06:15:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2024-12-06 06:15:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:15:25,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:25,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:25,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:25,952 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:25,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 06:15:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:26,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:26,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:26,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:26,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 06:15:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2024-12-06 06:15:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2024-12-06 06:15:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:15:26,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:26,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:26,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:26,328 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:26,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 06:15:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:26,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:26,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:15:26,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:26,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 06:15:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 126 states and 145 transitions. [2024-12-06 06:15:26,993 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2024-12-06 06:15:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:15:26,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:26,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:26,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:26,995 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:26,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 06:15:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:27,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:27,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 06:15:27,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:27,136 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 [2024-12-06 06:15:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:27,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 06:15:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 132 states and 156 transitions. [2024-12-06 06:15:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2024-12-06 06:15:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:15:27,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:27,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:27,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:27,499 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:27,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 06:15:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:27,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:27,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:15:27,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:27,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 06:15:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:28,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 138 states and 166 transitions. [2024-12-06 06:15:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2024-12-06 06:15:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:15:28,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:28,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:28,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:28,205 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:28,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 06:15:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:28,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:28,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:15:28,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:28,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 06:15:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 141 states and 171 transitions. [2024-12-06 06:15:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 171 transitions. [2024-12-06 06:15:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 06:15:29,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:29,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:29,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:29,555 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:29,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 06:15:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:29,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:29,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 06:15:29,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:29,737 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 06:15:29,737 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 [2024-12-06 06:15:29,851 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 [2024-12-06 06:15:30,120 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 06:15:30,120 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 36 treesize of output 35 [2024-12-06 06:15:30,134 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 27 treesize of output 15 [2024-12-06 06:15:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:30,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 06:15:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 145 states and 180 transitions. [2024-12-06 06:15:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 180 transitions. [2024-12-06 06:15:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 06:15:33,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:33,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:33,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:33,321 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:33,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 06:15:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:33,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:33,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 06:15:33,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:33,546 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 [2024-12-06 06:15:33,558 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:15:33,558 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 [2024-12-06 06:15:33,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 06:15:33,706 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 [2024-12-06 06:15:34,071 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 06:15:34,071 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 45 [2024-12-06 06:15:34,079 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 [2024-12-06 06:15:34,096 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 25 treesize of output 13 [2024-12-06 06:15:34,102 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 [2024-12-06 06:15:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:34,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 06:15:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 147 states and 185 transitions. [2024-12-06 06:15:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 185 transitions. [2024-12-06 06:15:36,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:15:36,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:36,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:36,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:36,338 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:36,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 06:15:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:36,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:36,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:36,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:36,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 06:15:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 146 states and 184 transitions. [2024-12-06 06:15:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 184 transitions. [2024-12-06 06:15:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:15:36,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:36,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:36,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:36,545 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:36,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 06:15:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:36,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:36,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 06:15:36,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:36,774 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 [2024-12-06 06:15:36,788 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 [2024-12-06 06:15:36,796 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:15:36,797 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 [2024-12-06 06:15:36,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 06:15:36,816 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 [2024-12-06 06:15:36,847 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 06:15:36,847 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 45 [2024-12-06 06:15:36,856 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 [2024-12-06 06:15:36,867 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 25 treesize of output 13 [2024-12-06 06:15:36,871 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 [2024-12-06 06:15:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:36,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 06:15:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 148 states and 188 transitions. [2024-12-06 06:15:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2024-12-06 06:15:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:15:36,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:36,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:36,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:36,936 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:36,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 06:15:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:37,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:37,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 06:15:37,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:37,192 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:15:37,192 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 [2024-12-06 06:15:37,198 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 5 [2024-12-06 06:15:37,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 06:15:37,220 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 [2024-12-06 06:15:37,251 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 06:15:37,251 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 45 [2024-12-06 06:15:37,259 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 [2024-12-06 06:15:37,271 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 25 treesize of output 13 [2024-12-06 06:15:37,278 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 [2024-12-06 06:15:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:37,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 06:15:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 149 states and 189 transitions. [2024-12-06 06:15:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 189 transitions. [2024-12-06 06:15:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:15:37,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:37,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:37,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:37,329 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:37,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 06:15:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:37,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:37,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:37,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:37,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 06:15:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 149 states and 188 transitions. [2024-12-06 06:15:37,535 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 188 transitions. [2024-12-06 06:15:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:15:37,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:37,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:37,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:37,538 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:37,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 06:15:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:37,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:37,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 06:15:37,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:37,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 06:15:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:38,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 06:15:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 155 states and 196 transitions. [2024-12-06 06:15:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2024-12-06 06:15:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:15:40,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:40,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:40,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:40,580 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:40,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 06:15:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:40,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:40,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:15:40,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:40,836 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 06:15:40,837 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 [2024-12-06 06:15:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:40,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 06:15:40,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 195 transitions. [2024-12-06 06:15:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 195 transitions. [2024-12-06 06:15:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:15:40,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:40,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:40,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:40,880 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:40,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 06:15:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:41,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:41,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 06:15:41,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:41,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 06:15:41,214 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 23 treesize of output 16 [2024-12-06 06:15:41,240 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:15:41,240 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 [2024-12-06 06:15:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:41,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 06:15:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 155 states and 197 transitions. [2024-12-06 06:15:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 197 transitions. [2024-12-06 06:15:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:15:42,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:42,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:42,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:42,801 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:42,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 06:15:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:42,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:42,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:42,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:42,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 06:15:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 157 states and 201 transitions. [2024-12-06 06:15:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2024-12-06 06:15:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:15:43,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:43,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:43,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:43,345 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:43,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 06:15:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:43,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:43,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:15:43,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:43,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 06:15:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 159 states and 204 transitions. [2024-12-06 06:15:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2024-12-06 06:15:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:15:45,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:45,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:45,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:45,593 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:45,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 06:15:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:45,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:45,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:45,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:45,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:45,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 06:15:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 158 states and 203 transitions. [2024-12-06 06:15:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 203 transitions. [2024-12-06 06:15:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:15:45,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:45,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:45,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:45,805 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:45,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 06:15:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:45,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:46,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:15:46,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:46,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 06:15:46,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 157 states and 202 transitions. [2024-12-06 06:15:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 202 transitions. [2024-12-06 06:15:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:15:46,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:46,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:46,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:46,411 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:46,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 06:15:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:46,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:46,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:46,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:46,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 06:15:49,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 161 states and 213 transitions. [2024-12-06 06:15:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 213 transitions. [2024-12-06 06:15:49,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:15:49,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:49,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:49,178 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:49,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 06:15:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:49,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:49,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:15:49,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:49,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 06:15:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2024-12-06 06:15:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2024-12-06 06:15:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:15:55,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:55,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:55,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:55,713 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:55,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 06:15:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:55,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:55,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:15:55,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:15:55,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 06:16:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 171 states and 238 transitions. [2024-12-06 06:16:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 238 transitions. [2024-12-06 06:16:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:16:02,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:02,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:02,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:02,445 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:02,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 06:16:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:02,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:02,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 06:16:02,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:02,743 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 [2024-12-06 06:16:02,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 06:16:02,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 06:16:02,988 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 [2024-12-06 06:16:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:03,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 06:16:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 173 states and 242 transitions. [2024-12-06 06:16:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 242 transitions. [2024-12-06 06:16:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:16:06,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:06,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:06,071 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:06,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 06:16:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:06,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:06,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 06:16:06,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:06,365 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 [2024-12-06 06:16:06,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2024-12-06 06:16:06,608 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 [2024-12-06 06:16:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:06,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 06:16:10,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 175 states and 244 transitions. [2024-12-06 06:16:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 244 transitions. [2024-12-06 06:16:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:16:10,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:10,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:10,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:10,324 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:10,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 06:16:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:10,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:10,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:16:10,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:10,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 06:16:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 176 states and 244 transitions. [2024-12-06 06:16:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 244 transitions. [2024-12-06 06:16:10,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:16:10,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:10,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:10,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:10,570 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:10,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 06:16:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:10,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:10,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 06:16:10,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:10,818 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 [2024-12-06 06:16:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:10,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 06:16:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 182 states and 257 transitions. [2024-12-06 06:16:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 257 transitions. [2024-12-06 06:16:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:16:14,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:14,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:14,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:14,723 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:14,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 06:16:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:14,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:14,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:16:14,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:14,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 06:16:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 181 states and 256 transitions. [2024-12-06 06:16:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 256 transitions. [2024-12-06 06:16:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:16:14,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:14,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:14,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:14,974 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:14,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 06:16:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:15,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:15,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:16:15,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:16,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:16,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 06:16:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 184 states and 264 transitions. [2024-12-06 06:16:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 264 transitions. [2024-12-06 06:16:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:16:20,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:20,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:20,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:20,131 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:20,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 06:16:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:20,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:20,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:16:20,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:20,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 06:16:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 185 states and 266 transitions. [2024-12-06 06:16:21,172 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 266 transitions. [2024-12-06 06:16:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:16:21,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:21,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:21,174 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:21,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 06:16:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:21,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:21,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:16:21,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:21,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 06:16:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 186 states and 267 transitions. [2024-12-06 06:16:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 267 transitions. [2024-12-06 06:16:22,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:16:22,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:22,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:22,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:22,887 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:22,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 06:16:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:23,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:23,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:16:23,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:23,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 06:16:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 185 states and 266 transitions. [2024-12-06 06:16:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 266 transitions. [2024-12-06 06:16:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:16:23,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:23,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:23,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:23,189 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:23,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 06:16:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:23,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:23,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:16:23,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:24,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 06:16:39,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 190 states and 280 transitions. [2024-12-06 06:16:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 280 transitions. [2024-12-06 06:16:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:16:39,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:39,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:39,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:39,672 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:39,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 06:16:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:39,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:39,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:16:39,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:39,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 06:16:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 189 states and 279 transitions. [2024-12-06 06:16:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 279 transitions. [2024-12-06 06:16:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:16:40,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:40,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:40,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:40,014 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:40,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 06:16:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:40,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:40,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:16:40,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:40,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 06:16:40,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 190 states and 279 transitions. [2024-12-06 06:16:40,397 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 279 transitions. [2024-12-06 06:16:40,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:16:40,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:40,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:40,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:40,398 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:40,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 06:16:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:40,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:40,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 06:16:40,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:40,770 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 06:16:40,770 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 [2024-12-06 06:16:41,077 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 [2024-12-06 06:16:41,440 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 06:16:41,441 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 36 treesize of output 35 [2024-12-06 06:16:41,452 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 27 treesize of output 15 [2024-12-06 06:16:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:41,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 06:16:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 194 states and 288 transitions. [2024-12-06 06:16:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2024-12-06 06:16:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:16:45,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:45,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:45,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:45,421 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:45,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 06:16:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:45,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:45,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 06:16:45,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:45,850 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:16:45,851 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 [2024-12-06 06:16:45,858 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 5 [2024-12-06 06:16:46,205 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 [2024-12-06 06:16:46,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 06:16:46,583 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 06:16:46,584 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 45 [2024-12-06 06:16:46,590 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 [2024-12-06 06:16:46,603 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 25 treesize of output 13 [2024-12-06 06:16:46,610 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 [2024-12-06 06:16:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:46,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 06:16:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 196 states and 293 transitions. [2024-12-06 06:16:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 293 transitions. [2024-12-06 06:16:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:16:49,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:49,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:49,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:49,057 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:49,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 06:16:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:49,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:49,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:16:49,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:49,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 06:16:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 202 states and 307 transitions. [2024-12-06 06:16:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 307 transitions. [2024-12-06 06:16:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:16:58,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:58,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:58,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:58,155 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:58,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 06:16:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:58,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:58,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:16:58,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:58,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 06:16:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 204 states and 308 transitions. [2024-12-06 06:16:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 308 transitions. [2024-12-06 06:16:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:16:58,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:58,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:58,506 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:58,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 06:16:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:58,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:58,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:16:58,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:58,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:58,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 06:16:58,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 203 states and 307 transitions. [2024-12-06 06:16:58,884 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 307 transitions. [2024-12-06 06:16:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:16:58,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:58,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:58,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:58,886 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:58,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 06:16:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:59,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:59,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 06:16:59,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:59,340 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 [2024-12-06 06:16:59,349 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:16:59,349 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 [2024-12-06 06:16:59,361 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 [2024-12-06 06:16:59,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 06:16:59,397 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 06:16:59,397 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 45 [2024-12-06 06:16:59,405 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 [2024-12-06 06:16:59,417 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 25 treesize of output 13 [2024-12-06 06:16:59,422 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 [2024-12-06 06:16:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:16:59,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 06:16:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 154 states and 227 transitions. [2024-12-06 06:16:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 227 transitions. [2024-12-06 06:16:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:16:59,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:59,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:59,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:59,484 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:59,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 06:16:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:59,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:59,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:16:59,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 06:16:59,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 06:17:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 161 states and 238 transitions. [2024-12-06 06:17:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 238 transitions. [2024-12-06 06:17:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:17:06,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:06,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:17:06,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:17:06,242 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:17:06,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 06:17:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:06,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:17:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:06,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:17:06,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:17:06,675 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 [2024-12-06 06:17:06,709 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-12-06 06:17:06,709 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 12 treesize of output 14 [2024-12-06 06:17:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 06:17:06,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 06:17:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 168 states and 246 transitions. [2024-12-06 06:17:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2024-12-06 06:17:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:17:14,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:14,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:17:14,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:17:14,354 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:17:14,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 06:17:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:14,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:17:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:14,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:17:14,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:17:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:17:15,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 06:17:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 177 states and 260 transitions. [2024-12-06 06:17:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 260 transitions. [2024-12-06 06:17:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:17:23,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:23,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:17:23,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:17:23,238 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:17:23,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 06:17:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:23,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:17:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:23,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:17:23,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:17:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:17:23,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 06:17:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 176 states and 258 transitions. [2024-12-06 06:17:23,647 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 258 transitions. [2024-12-06 06:17:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:17:23,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:17:23,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:17:23,649 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:17:23,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 06:17:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:23,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:17:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:23,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:17:23,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:17:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:17:23,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 06:17:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:24,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 175 states and 257 transitions. [2024-12-06 06:17:24,008 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 257 transitions. [2024-12-06 06:17:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:17:24,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:24,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:17:24,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:17:24,010 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:17:24,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 06:17:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:17:24,332 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:17:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:17:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:17:24,663 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:17:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:17:24,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 06:17:24,913 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 58 iterations. [2024-12-06 06:17:24,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:17:24 ImpRootNode [2024-12-06 06:17:24,933 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:17:24,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:17:24,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:17:24,933 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:17:24,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:15:21" (3/4) ... [2024-12-06 06:17:24,935 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:17:24,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:17:24,937 INFO L158 Benchmark]: Toolchain (without parser) took 124913.67ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 68.6MB in the beginning and 41.5MB in the end (delta: 27.1MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2024-12-06 06:17:24,937 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:17:24,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.68ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 50.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:17:24,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.19ms. Allocated memory is still 92.3MB. Free memory was 50.2MB in the beginning and 48.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:17:24,937 INFO L158 Benchmark]: Boogie Preprocessor took 30.13ms. Allocated memory is still 92.3MB. Free memory was 48.2MB in the beginning and 46.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:17:24,938 INFO L158 Benchmark]: RCFGBuilder took 774.79ms. Allocated memory is still 92.3MB. Free memory was 46.5MB in the beginning and 37.0MB in the end (delta: 9.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-12-06 06:17:24,938 INFO L158 Benchmark]: CodeCheck took 123709.68ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 37.0MB in the beginning and 41.6MB in the end (delta: -4.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-12-06 06:17:24,938 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 134.2MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:17:24,939 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, 126 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 123.7s, OverallIterations: 58, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8532 SdHoareTripleChecker+Valid, 66.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6278 mSDsluCounter, 6079 SdHoareTripleChecker+Invalid, 58.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4614 mSDsCounter, 5521 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21455 IncrementalHoareTripleChecker+Invalid, 26976 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5521 mSolverCounterUnsat, 1465 mSDtfsCounter, 21455 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6458 GetRequests, 5940 SyntacticMatches, 86 SemanticMatches, 432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83739 ImplicationChecksByTransitivity, 104.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 765 NumberOfCodeBlocks, 765 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 689 ConstructedInterpolants, 2 QuantifiedInterpolants, 3935 SizeOfPredicates, 58 NumberOfNonLiveVariables, 5859 ConjunctsInSsa, 303 ConjunctsInUnsatCore, 57 InterpolantComputations, 56 PerfectInterpolantSequences, 4/6 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: 991]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 991. Possible FailurePath: [L1005] SLL* list = malloc(sizeof(SLL)); [L1006] list->next = ((void*)0) VAL [list={16384:0}] [L1007] list->prev = ((void*)0) VAL [list={16384:0}] [L1008] list->colour = BLACK [L1010] SLL* end = list; VAL [end={16384:0}, list={16384:0}] [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1036] end = ((void*)0) [L1037] end = list VAL [end={16384:0}, list={16384:0}] [L1040] COND FALSE !(!(((void*)0) != end)) VAL [end={16384:0}, list={16384:0}] [L1040] COND FALSE !(0) VAL [end={16384:0}, list={16384:0}] [L1041] EXPR end->colour VAL [end={16384:0}, list={16384:0}] [L1041] COND FALSE !(!(BLACK == end->colour)) [L1041] COND FALSE !(0) VAL [end={16384:0}, list={16384:0}] [L1043] COND TRUE ((void*)0) != end VAL [end={16384:0}, list={16384:0}] [L1045] EXPR end->colour VAL [end={16384:0}, list={16384:0}] [L1045] COND FALSE !(RED == end->colour) [L1051] EXPR end->next VAL [end={16384:0}, list={16384:0}] [L1051] COND TRUE !(end->next) [L1051] CALL reach_error() [L991] COND FALSE !(0) [L991] __assert_fail ("0", "dll-rb-cnstr_1-2.c", 11, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.68ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 50.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.19ms. Allocated memory is still 92.3MB. Free memory was 50.2MB in the beginning and 48.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.13ms. Allocated memory is still 92.3MB. Free memory was 48.2MB in the beginning and 46.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 774.79ms. Allocated memory is still 92.3MB. Free memory was 46.5MB in the beginning and 37.0MB in the end (delta: 9.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * CodeCheck took 123709.68ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 37.0MB in the beginning and 41.6MB in the end (delta: -4.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 134.2MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:17:24,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e26f07b-4aa4-4a7d-a0e4-529f99127f31/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