./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/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_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/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_f5dfd3be-9f95-4614-8c07-23488193b26b/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 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:50:21,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:50:21,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 00:50:21,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:50:21,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:50:21,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:50:21,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:50:21,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:50:21,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:50:21,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:50:21,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:50:21,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:50:21,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:50:21,505 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:50:21,505 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:50:21,505 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:50:21,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:50:21,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:50:21,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:50:21,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:50:21,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:50:21,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:50:21,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:50:21,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:50:21,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:50:21,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:50:21,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:50:21,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:50:21,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:50:21,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:50:21,507 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_f5dfd3be-9f95-4614-8c07-23488193b26b/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 -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2024-12-06 00:50:21,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:50:21,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:50:21,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:50:21,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:50:21,733 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:50:21,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-12-06 00:50:24,323 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data/7b51eea12/c0af5ac70a3a4971a5a89f432f6da6c8/FLAGf67c788ba [2024-12-06 00:50:24,597 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:50:24,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-12-06 00:50:24,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data/7b51eea12/c0af5ac70a3a4971a5a89f432f6da6c8/FLAGf67c788ba [2024-12-06 00:50:24,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data/7b51eea12/c0af5ac70a3a4971a5a89f432f6da6c8 [2024-12-06 00:50:24,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:50:24,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:50:24,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:50:24,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:50:24,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:50:24,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b0f438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24, skipping insertion in model container [2024-12-06 00:50:24,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:50:24,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:50:24,880 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:50:24,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:50:24,941 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:50:24,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24 WrapperNode [2024-12-06 00:50:24,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:50:24,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:50:24,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:50:24,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:50:24,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,978 INFO L138 Inliner]: procedures = 119, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 170 [2024-12-06 00:50:24,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:50:24,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:50:24,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:50:24,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:50:24,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,997 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:24,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:25,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:25,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:25,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:25,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:50:25,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:50:25,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:50:25,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:50:25,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:24" (1/1) ... [2024-12-06 00:50:25,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:50:25,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:50:25,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:50:25,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:50:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:50:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:50:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:50:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:50:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:50:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:50:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:50:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:50:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:50:25,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:50:25,148 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:50:25,150 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:50:25,526 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-12-06 00:50:25,526 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:50:25,578 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:50:25,578 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-12-06 00:50:25,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:25 BoogieIcfgContainer [2024-12-06 00:50:25,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:50:25,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:50:25,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:50:25,590 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:50:25,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:25" (1/1) ... [2024-12-06 00:50:25,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:50:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2024-12-06 00:50:25,647 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2024-12-06 00:50:25,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 00:50:25,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:25,817 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 00:50:25,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2024-12-06 00:50:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2024-12-06 00:50:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 00:50:25,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:25,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:25,929 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 00:50:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2024-12-06 00:50:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2024-12-06 00:50:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:50:26,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,033 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 00:50:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2024-12-06 00:50:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2024-12-06 00:50:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:50:26,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,110 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 00:50:26,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2024-12-06 00:50:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2024-12-06 00:50:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:50:26,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,152 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 00:50:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2024-12-06 00:50:26,169 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2024-12-06 00:50:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:50:26,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,239 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 00:50:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2024-12-06 00:50:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-12-06 00:50:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:50:26,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,438 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 00:50:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2024-12-06 00:50:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-12-06 00:50:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:50:26,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,562 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 00:50:26,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2024-12-06 00:50:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2024-12-06 00:50:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:50:26,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,701 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 00:50:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2024-12-06 00:50:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2024-12-06 00:50:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:50:26,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,784 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 00:50:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2024-12-06 00:50:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2024-12-06 00:50:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:50:26,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,830 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 00:50:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2024-12-06 00:50:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-12-06 00:50:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:50:26,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2024-12-06 00:50:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2024-12-06 00:50:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:50:26,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:26,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:27,059 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 00:50:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2024-12-06 00:50:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2024-12-06 00:50:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:50:27,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:27,294 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 00:50:27,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2024-12-06 00:50:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2024-12-06 00:50:27,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:50:27,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:27,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2024-12-06 00:50:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2024-12-06 00:50:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:50:27,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:27,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:27,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2024-12-06 00:50:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2024-12-06 00:50:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:50:27,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:27,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:28,118 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 00:50:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 158 states and 199 transitions. [2024-12-06 00:50:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 199 transitions. [2024-12-06 00:50:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:50:28,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:28,815 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 00:50:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 160 states and 203 transitions. [2024-12-06 00:50:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2024-12-06 00:50:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:50:29,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:29,542 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 00:50:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 160 states and 199 transitions. [2024-12-06 00:50:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2024-12-06 00:50:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:50:29,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:29,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:29,576 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 00:50:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 161 states and 201 transitions. [2024-12-06 00:50:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 201 transitions. [2024-12-06 00:50:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:50:29,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:29,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:29,814 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 00:50:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 163 states and 204 transitions. [2024-12-06 00:50:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 204 transitions. [2024-12-06 00:50:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:50:30,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:30,201 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 00:50:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 166 states and 209 transitions. [2024-12-06 00:50:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 209 transitions. [2024-12-06 00:50:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:50:30,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:30,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:30,703 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 00:50:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:31,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 172 states and 220 transitions. [2024-12-06 00:50:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 220 transitions. [2024-12-06 00:50:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:50:31,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:31,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:31,351 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 00:50:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 178 states and 231 transitions. [2024-12-06 00:50:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2024-12-06 00:50:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:50:32,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:32,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:32,398 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 00:50:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 183 states and 239 transitions. [2024-12-06 00:50:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2024-12-06 00:50:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:50:33,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:34,179 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 00:50:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2024-12-06 00:50:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2024-12-06 00:50:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:50:36,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:36,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:36,169 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 00:50:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:36,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2024-12-06 00:50:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2024-12-06 00:50:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:50:36,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:36,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:36,426 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 00:50:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 188 states and 249 transitions. [2024-12-06 00:50:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2024-12-06 00:50:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:50:36,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:36,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:36,478 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 00:50:36,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 187 states and 248 transitions. [2024-12-06 00:50:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 248 transitions. [2024-12-06 00:50:36,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:50:36,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:36,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:36,740 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 00:50:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 188 states and 249 transitions. [2024-12-06 00:50:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2024-12-06 00:50:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:50:36,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:36,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:37,333 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 00:50:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 194 states and 259 transitions. [2024-12-06 00:50:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 259 transitions. [2024-12-06 00:50:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:39,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:39,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:39,518 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 00:50:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:39,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 193 states and 256 transitions. [2024-12-06 00:50:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 256 transitions. [2024-12-06 00:50:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:39,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:39,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:39,785 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 00:50:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 194 states and 259 transitions. [2024-12-06 00:50:40,210 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 259 transitions. [2024-12-06 00:50:40,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:40,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:40,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:40,274 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 00:50:40,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 193 states and 258 transitions. [2024-12-06 00:50:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 258 transitions. [2024-12-06 00:50:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:40,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:40,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:40,464 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 00:50:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 194 states and 260 transitions. [2024-12-06 00:50:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2024-12-06 00:50:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:40,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:40,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:40,565 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 00:50:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 196 states and 264 transitions. [2024-12-06 00:50:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 264 transitions. [2024-12-06 00:50:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:40,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:40,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:40,886 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 00:50:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 200 states and 270 transitions. [2024-12-06 00:50:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 270 transitions. [2024-12-06 00:50:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:50:41,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:41,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:41,248 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 00:50:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 199 states and 269 transitions. [2024-12-06 00:50:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2024-12-06 00:50:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:50:41,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:41,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:41,434 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 00:50:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:41,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 198 states and 268 transitions. [2024-12-06 00:50:41,789 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 268 transitions. [2024-12-06 00:50:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:50:41,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:41,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 203 states and 274 transitions. [2024-12-06 00:50:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 274 transitions. [2024-12-06 00:50:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:50:43,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:43,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:44,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 205 states and 277 transitions. [2024-12-06 00:50:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2024-12-06 00:50:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:50:44,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:44,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:44,621 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 00:50:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 207 states and 280 transitions. [2024-12-06 00:50:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 280 transitions. [2024-12-06 00:50:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:50:45,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:45,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:46,012 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 00:50:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 208 states and 281 transitions. [2024-12-06 00:50:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 281 transitions. [2024-12-06 00:50:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:50:46,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:46,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:46,073 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 00:50:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 210 states and 288 transitions. [2024-12-06 00:50:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 288 transitions. [2024-12-06 00:50:46,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:50:46,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:46,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:46,347 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 00:50:47,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 213 states and 294 transitions. [2024-12-06 00:50:47,623 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 294 transitions. [2024-12-06 00:50:47,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:50:47,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:47,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:47,649 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 00:50:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 212 states and 290 transitions. [2024-12-06 00:50:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 290 transitions. [2024-12-06 00:50:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:50:47,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:47,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:47,700 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 00:50:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 215 states and 293 transitions. [2024-12-06 00:50:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 293 transitions. [2024-12-06 00:50:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:50:47,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:47,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:47,886 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 00:50:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 214 states and 290 transitions. [2024-12-06 00:50:48,907 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2024-12-06 00:50:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:50:48,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:48,938 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 00:50:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 215 states and 292 transitions. [2024-12-06 00:50:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 292 transitions. [2024-12-06 00:50:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:50:49,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:49,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:49,462 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 00:50:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 216 states and 293 transitions. [2024-12-06 00:50:50,016 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 293 transitions. [2024-12-06 00:50:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:50:50,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:50,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:50,454 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 00:50:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 220 states and 300 transitions. [2024-12-06 00:50:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 300 transitions. [2024-12-06 00:50:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:50:52,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:52,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:52,917 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 00:50:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:53,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 222 states and 304 transitions. [2024-12-06 00:50:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2024-12-06 00:50:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:50:53,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:53,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:00,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 235 states and 329 transitions. [2024-12-06 00:51:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 329 transitions. [2024-12-06 00:51:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:51:00,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:00,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 236 states and 331 transitions. [2024-12-06 00:51:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 331 transitions. [2024-12-06 00:51:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:00,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:00,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:00,883 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 00:51:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 235 states and 330 transitions. [2024-12-06 00:51:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 330 transitions. [2024-12-06 00:51:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:00,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:01,155 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 00:51:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:01,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 236 states and 331 transitions. [2024-12-06 00:51:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 331 transitions. [2024-12-06 00:51:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:01,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:01,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 246 states and 358 transitions. [2024-12-06 00:51:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 358 transitions. [2024-12-06 00:51:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:06,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:06,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 257 states and 383 transitions. [2024-12-06 00:51:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 383 transitions. [2024-12-06 00:51:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:10,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:10,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 258 states and 385 transitions. [2024-12-06 00:51:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 385 transitions. [2024-12-06 00:51:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:10,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:10,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 259 states and 390 transitions. [2024-12-06 00:51:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 390 transitions. [2024-12-06 00:51:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:11,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:18,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 274 states and 423 transitions. [2024-12-06 00:51:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 423 transitions. [2024-12-06 00:51:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:18,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:18,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:19,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 275 states and 425 transitions. [2024-12-06 00:51:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 425 transitions. [2024-12-06 00:51:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:19,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:19,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 276 states and 430 transitions. [2024-12-06 00:51:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 430 transitions. [2024-12-06 00:51:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:51:19,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:19,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 277 states and 432 transitions. [2024-12-06 00:51:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 432 transitions. [2024-12-06 00:51:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:51:20,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:20,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:20,725 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 00:51:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 281 states and 436 transitions. [2024-12-06 00:51:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 436 transitions. [2024-12-06 00:51:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:51:23,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:51:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 280 states and 435 transitions. [2024-12-06 00:51:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 435 transitions. [2024-12-06 00:51:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:51:23,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:23,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 289 states and 449 transitions. [2024-12-06 00:51:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 449 transitions. [2024-12-06 00:51:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:51:28,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:28,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 288 states and 448 transitions. [2024-12-06 00:51:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 448 transitions. [2024-12-06 00:51:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:51:28,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:28,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:28,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:29,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:29,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 290 states and 452 transitions. [2024-12-06 00:51:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 452 transitions. [2024-12-06 00:51:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:51:29,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:29,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 289 states and 451 transitions. [2024-12-06 00:51:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 451 transitions. [2024-12-06 00:51:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:51:29,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:29,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:29,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 290 states and 452 transitions. [2024-12-06 00:51:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 452 transitions. [2024-12-06 00:51:29,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:51:29,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:29,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:31,381 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 00:51:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 305 states and 481 transitions. [2024-12-06 00:51:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 481 transitions. [2024-12-06 00:51:43,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:51:43,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 306 states and 481 transitions. [2024-12-06 00:51:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 481 transitions. [2024-12-06 00:51:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:51:43,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:43,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 307 states and 481 transitions. [2024-12-06 00:51:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 481 transitions. [2024-12-06 00:51:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:51:43,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:43,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:44,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 308 states and 483 transitions. [2024-12-06 00:51:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 483 transitions. [2024-12-06 00:51:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:51:44,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:57,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 327 states and 521 transitions. [2024-12-06 00:51:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 521 transitions. [2024-12-06 00:51:57,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:51:57,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:57,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:58,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:58,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 331 states and 526 transitions. [2024-12-06 00:51:58,698 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 526 transitions. [2024-12-06 00:51:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:51:58,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:58,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:51:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 332 states and 528 transitions. [2024-12-06 00:51:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 528 transitions. [2024-12-06 00:51:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:51:59,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:59,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 340 states and 546 transitions. [2024-12-06 00:52:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 546 transitions. [2024-12-06 00:52:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:52:06,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 341 states and 547 transitions. [2024-12-06 00:52:07,453 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 547 transitions. [2024-12-06 00:52:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:52:07,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:07,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:52:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 340 states and 546 transitions. [2024-12-06 00:52:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 546 transitions. [2024-12-06 00:52:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:52:09,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:09,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:52:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 339 states and 545 transitions. [2024-12-06 00:52:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 545 transitions. [2024-12-06 00:52:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:52:09,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:09,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:10,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 347 states and 567 transitions. [2024-12-06 00:52:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 567 transitions. [2024-12-06 00:52:23,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:52:23,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:23,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 348 states and 569 transitions. [2024-12-06 00:52:24,580 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 569 transitions. [2024-12-06 00:52:24,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:52:24,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 349 states and 572 transitions. [2024-12-06 00:52:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 572 transitions. [2024-12-06 00:52:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:52:25,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:25,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:25,732 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 00:52:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 349 states and 571 transitions. [2024-12-06 00:52:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 571 transitions. [2024-12-06 00:52:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:52:25,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:25,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 361 states and 599 transitions. [2024-12-06 00:52:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 599 transitions. [2024-12-06 00:52:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:52:44,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:44,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:44,303 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:52:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:44,401 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:52:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:44,486 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 88 iterations. [2024-12-06 00:52:44,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:52:44 ImpRootNode [2024-12-06 00:52:44,517 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:52:44,518 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:52:44,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:52:44,518 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:52:44,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:25" (3/4) ... [2024-12-06 00:52:44,521 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:52:44,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:52:44,522 INFO L158 Benchmark]: Toolchain (without parser) took 139895.79ms. Allocated memory was 142.6MB in the beginning and 998.2MB in the end (delta: 855.6MB). Free memory was 116.6MB in the beginning and 828.8MB in the end (delta: -712.2MB). Peak memory consumption was 139.5MB. Max. memory is 16.1GB. [2024-12-06 00:52:44,522 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:44,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.24ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:52:44,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.69ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 97.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:44,523 INFO L158 Benchmark]: Boogie Preprocessor took 29.71ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:44,523 INFO L158 Benchmark]: RCFGBuilder took 569.89ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 61.3MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:52:44,524 INFO L158 Benchmark]: CodeCheck took 138937.56ms. Allocated memory was 142.6MB in the beginning and 998.2MB in the end (delta: 855.6MB). Free memory was 61.3MB in the beginning and 829.0MB in the end (delta: -767.6MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-12-06 00:52:44,524 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 998.2MB. Free memory was 829.0MB in the beginning and 828.8MB in the end (delta: 129.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:44,525 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, 162 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 138.9s, OverallIterations: 88, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20315 SdHoareTripleChecker+Valid, 63.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14858 mSDsluCounter, 15042 SdHoareTripleChecker+Invalid, 55.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11937 mSDsCounter, 13166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50867 IncrementalHoareTripleChecker+Invalid, 64033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13166 mSolverCounterUnsat, 3105 mSDtfsCounter, 50867 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12234 GetRequests, 11154 SyntacticMatches, 254 SemanticMatches, 826 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312551 ImplicationChecksByTransitivity, 129.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 1582 NumberOfCodeBlocks, 1582 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 1466 ConstructedInterpolants, 0 QuantifiedInterpolants, 6987 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 87 InterpolantComputations, 78 PerfectInterpolantSequences, 35/49 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: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) VAL [null={-2:0}] [L1000] null->prev = ((void*)0) VAL [null={-2:0}] [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null VAL [list={-1:0}, null={-2:0}] [L1005] list->prev = null VAL [list={-1:0}, null={-2:0}] [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1041] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1042] EXPR end->colour VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1042] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1043] COND TRUE null != end VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1045] EXPR end->colour VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) VAL [list={-1:0}, null={-2:0}] [L1056] COND TRUE null != list VAL [list={-1:0}, null={-2:0}] [L1058] EXPR list->colour VAL [list={-1:0}, null={-2:0}] [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) VAL [end={-2:0}, null={-2:0}] [L1068] free(list) VAL [end={-2:0}, null={-2:0}] [L1068] free(list) [L1069] list = end VAL [list={-2:0}, null={-2:0}] [L1056] COND FALSE !(null != list) [L1073] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.24ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.69ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 97.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.71ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 569.89ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 61.3MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 138937.56ms. Allocated memory was 142.6MB in the beginning and 998.2MB in the end (delta: 855.6MB). Free memory was 61.3MB in the beginning and 829.0MB in the end (delta: -767.6MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 998.2MB. Free memory was 829.0MB in the beginning and 828.8MB in the end (delta: 129.8kB). 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 00:52:44,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/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_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/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_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/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_f5dfd3be-9f95-4614-8c07-23488193b26b/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 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:52:46,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:52:46,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 00:52:46,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:52:46,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:52:46,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:52:46,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:52:46,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:52:46,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:52:46,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:52:46,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:52:46,571 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:52:46,571 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:52:46,571 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:52:46,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:52:46,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:52:46,573 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:46,573 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:52:46,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:52:46,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:46,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:52:46,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:52:46,573 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:52:46,573 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:46,573 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:52:46,573 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_f5dfd3be-9f95-4614-8c07-23488193b26b/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 -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2024-12-06 00:52:46,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:52:46,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:52:46,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:52:46,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:52:46,809 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:52:46,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-12-06 00:52:49,500 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data/7fcd1332f/dfedab239eb446c29a87dfc6cad9f115/FLAG008c25e2b [2024-12-06 00:52:49,719 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:52:49,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-12-06 00:52:49,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data/7fcd1332f/dfedab239eb446c29a87dfc6cad9f115/FLAG008c25e2b [2024-12-06 00:52:50,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/data/7fcd1332f/dfedab239eb446c29a87dfc6cad9f115 [2024-12-06 00:52:50,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:52:50,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:52:50,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:50,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:52:50,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:52:50,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61343bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50, skipping insertion in model container [2024-12-06 00:52:50,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:52:50,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:50,305 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:52:50,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:50,369 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:52:50,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50 WrapperNode [2024-12-06 00:52:50,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:50,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:50,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:52:50,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:52:50,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,408 INFO L138 Inliner]: procedures = 122, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 169 [2024-12-06 00:52:50,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:50,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:52:50,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:52:50,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:52:50,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,427 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:52:50,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:52:50,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:52:50,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:52:50,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:50" (1/1) ... [2024-12-06 00:52:50,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:50,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:52:50,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:52:50,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:52:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:52:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:52:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:52:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:52:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:52:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:52:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:52:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:52:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:52:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:52:50,595 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:52:50,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:52:51,157 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-12-06 00:52:51,157 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:52:51,221 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:52:51,222 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-12-06 00:52:51,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:51 BoogieIcfgContainer [2024-12-06 00:52:51,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:52:51,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:52:51,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:52:51,231 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:52:51,231 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:51" (1/1) ... [2024-12-06 00:52:51,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:52:51,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2024-12-06 00:52:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2024-12-06 00:52:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 00:52:51,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:51,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:51,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:51,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:51,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:52:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:52:51,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:51,426 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 00:52:51,443 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 00:52:51,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:52:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2024-12-06 00:52:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2024-12-06 00:52:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 00:52:51,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:51,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:51,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:51,488 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:51,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:52:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:51,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:51,584 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 00:52:51,598 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 00:52:51,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:52:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2024-12-06 00:52:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2024-12-06 00:52:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:52:51,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:51,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:51,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:51,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:51,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:52:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:51,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:51,809 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 00:52:51,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:52:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2024-12-06 00:52:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2024-12-06 00:52:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:52:51,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:51,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:51,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:51,849 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:51,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:52:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:51,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:51,963 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 00:52:51,974 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 00:52:51,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 00:52:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2024-12-06 00:52:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2024-12-06 00:52:52,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:52:52,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:52,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:52,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:52,020 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:52,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:52:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:52,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:52,135 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 00:52:52,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:52:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2024-12-06 00:52:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2024-12-06 00:52:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:52:52,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:52,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:52,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:52,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:52:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:52,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:52,298 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 00:52:52,318 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 00:52:52,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:52:52,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2024-12-06 00:52:52,357 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-12-06 00:52:52,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:52:52,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:52,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:52,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:52,359 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:52,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:52:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:52:52,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:52,498 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 00:52:52,515 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 00:52:52,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:52:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2024-12-06 00:52:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-12-06 00:52:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:52:52,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:52,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:52,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:52,569 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:52,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:52:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:52,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:52,724 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 00:52:52,749 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 00:52:52,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:52:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2024-12-06 00:52:52,915 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2024-12-06 00:52:52,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:52:52,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:52,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:52,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:52,917 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:52,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:52:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:53,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:53,033 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 00:52:53,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:52:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2024-12-06 00:52:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2024-12-06 00:52:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:52:53,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:53,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:53,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:53,071 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:53,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:52:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:53,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:53,222 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 00:52:53,237 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 00:52:53,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 00:52:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2024-12-06 00:52:53,275 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2024-12-06 00:52:53,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:52:53,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:53,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:53,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:53,277 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:53,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:52:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:53,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:53,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:52:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:53,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2024-12-06 00:52:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-12-06 00:52:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:52:53,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:53,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:53,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:53,447 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:53,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:52:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:53,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:53,626 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 00:52:53,643 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 00:52:53,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:52:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2024-12-06 00:52:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2024-12-06 00:52:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:52:53,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:53,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:53,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:53,686 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:53,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:52:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:52:53,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:53,944 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 00:52:53,944 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 00:52:53,953 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 00:52:53,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:52:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2024-12-06 00:52:54,023 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2024-12-06 00:52:54,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:52:54,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:54,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:54,025 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:54,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:52:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:54,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:54,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:52:54,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:54,258 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 00:52:54,267 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 00:52:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:54,365 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 00:52:54,377 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:52:54,377 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 00:52:54,404 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 00:52:54,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:52:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:54,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2024-12-06 00:52:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2024-12-06 00:52:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:52:54,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:54,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:54,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:54,584 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:54,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:52:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:54,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:54,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:54,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:54,744 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 00:52:54,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:52:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:54,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2024-12-06 00:52:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2024-12-06 00:52:54,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:52:54,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:54,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:54,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:54,778 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:54,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:52:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:54,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:54,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:52:54,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:55,033 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 00:52:55,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:52:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 154 states and 192 transitions. [2024-12-06 00:52:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 192 transitions. [2024-12-06 00:52:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:52:55,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:55,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:55,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:55,328 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:55,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:52:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:55,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:55,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:52:55,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:55,527 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 00:52:55,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:52:55,598 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 00:52:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:55,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:52:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2024-12-06 00:52:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2024-12-06 00:52:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:52:56,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:56,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:56,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:56,307 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:56,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:52:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:56,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:56,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:52:56,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:56,514 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 00:52:56,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:52:56,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:52:56,649 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 00:52:56,719 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 00:52:56,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:52:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 158 states and 198 transitions. [2024-12-06 00:52:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 198 transitions. [2024-12-06 00:52:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:52:57,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:57,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:57,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:57,801 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:57,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:52:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:57,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:57,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:52:57,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:57,976 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 00:52:57,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:52:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 158 states and 194 transitions. [2024-12-06 00:52:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 194 transitions. [2024-12-06 00:52:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:52:57,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:57,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:57,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:57,984 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:57,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:52:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:58,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:58,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:58,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:58,189 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 00:52:58,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 00:52:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 159 states and 196 transitions. [2024-12-06 00:52:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 196 transitions. [2024-12-06 00:52:58,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:52:58,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:58,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:58,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:58,494 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:58,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:52:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:58,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:58,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:52:58,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:58,703 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 00:52:58,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:52:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 160 states and 197 transitions. [2024-12-06 00:52:59,236 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 197 transitions. [2024-12-06 00:52:59,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:52:59,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:59,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:59,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:59,238 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:59,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:52:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:59,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:59,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:59,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:59,456 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:52:59,456 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 00:52:59,656 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 00:52:59,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:53:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 163 states and 202 transitions. [2024-12-06 00:53:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 202 transitions. [2024-12-06 00:53:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:53:00,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:00,540 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:00,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:53:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:00,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:00,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:53:00,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:00,763 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 00:53:00,780 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 00:53:00,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:53:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 169 states and 213 transitions. [2024-12-06 00:53:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 213 transitions. [2024-12-06 00:53:01,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:53:01,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:01,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:01,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:01,672 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:01,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:53:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:01,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:01,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:53:01,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:01,877 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 00:53:01,915 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 00:53:01,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:53:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 175 states and 224 transitions. [2024-12-06 00:53:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 224 transitions. [2024-12-06 00:53:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:53:02,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:02,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:02,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:02,845 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:02,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:53:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:03,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:03,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:53:03,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:03,173 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 00:53:03,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-12-06 00:53:03,311 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 00:53:03,609 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 00:53:03,609 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 00:53:03,624 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 00:53:03,839 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 00:53:03,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:53:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 180 states and 234 transitions. [2024-12-06 00:53:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2024-12-06 00:53:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:53:07,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:07,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:07,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:07,177 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:07,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:53:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:07,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:07,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:53:07,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:07,521 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:53:07,521 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 00:53:07,529 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 00:53:07,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:53:07,708 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 00:53:08,080 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 00:53:08,080 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 00:53:08,088 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 00:53:08,103 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 00:53:08,109 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 00:53:08,110 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 00:53:08,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:53:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 182 states and 239 transitions. [2024-12-06 00:53:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2024-12-06 00:53:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:53:10,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:10,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:10,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:10,579 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:10,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:53:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:10,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:10,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:10,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:10,801 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 00:53:10,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:53:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 181 states and 238 transitions. [2024-12-06 00:53:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 238 transitions. [2024-12-06 00:53:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:53:10,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:10,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:10,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:10,842 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:10,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:53:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:11,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:11,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:11,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:11,170 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 00:53:11,185 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 00:53:11,194 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:53:11,194 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 00:53:11,207 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 00:53:11,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 00:53:11,244 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 00:53:11,244 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 00:53:11,251 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 00:53:11,268 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 00:53:11,273 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 00:53:11,286 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 00:53:11,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:53:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 183 states and 242 transitions. [2024-12-06 00:53:11,334 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2024-12-06 00:53:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:53:11,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:11,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:11,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:11,336 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:11,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:53:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:11,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:11,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:11,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:11,567 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 00:53:11,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 00:53:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:11,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 182 states and 241 transitions. [2024-12-06 00:53:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2024-12-06 00:53:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:53:11,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:11,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:11,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:11,590 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:11,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 00:53:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:11,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:11,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:53:11,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:11,976 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 00:53:11,986 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:53:11,986 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 00:53:11,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:53:12,006 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 00:53:12,035 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 00:53:12,035 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 00:53:12,040 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 00:53:12,055 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 00:53:12,061 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 00:53:12,071 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 00:53:12,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 00:53:12,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 183 states and 242 transitions. [2024-12-06 00:53:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2024-12-06 00:53:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:53:12,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:12,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:12,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:12,113 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:12,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 00:53:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:12,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:12,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:53:12,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:12,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:53:13,098 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 00:53:13,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 00:53:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 189 states and 251 transitions. [2024-12-06 00:53:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2024-12-06 00:53:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:53:15,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:15,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:15,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:15,832 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:15,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 00:53:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:16,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:16,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:16,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:16,120 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 00:53:16,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 00:53:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:16,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 248 transitions. [2024-12-06 00:53:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2024-12-06 00:53:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:53:16,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:16,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:16,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:16,154 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:16,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 00:53:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:16,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:16,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:53:16,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:16,767 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 00:53:16,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 00:53:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2024-12-06 00:53:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2024-12-06 00:53:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:53:17,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:17,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:17,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:17,940 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:17,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 00:53:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:18,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:18,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:53:18,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:18,321 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 00:53:18,321 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 00:53:18,324 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 00:53:18,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 00:53:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2024-12-06 00:53:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2024-12-06 00:53:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:53:18,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:18,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:18,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:18,364 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:18,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 00:53:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:18,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:18,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:53:18,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:18,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:18,874 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 16 treesize of output 11 [2024-12-06 00:53:18,890 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:53:18,890 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 00:53:18,896 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 00:53:18,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 00:53:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2024-12-06 00:53:18,966 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2024-12-06 00:53:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:53:18,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:18,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:18,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:18,968 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:18,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 00:53:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:19,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:19,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:19,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:19,287 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 00:53:19,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 00:53:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 189 states and 251 transitions. [2024-12-06 00:53:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2024-12-06 00:53:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:53:19,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:19,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:19,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:19,721 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:19,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 00:53:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:19,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:19,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:53:19,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:20,021 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 00:53:20,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 00:53:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:21,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 191 states and 254 transitions. [2024-12-06 00:53:21,054 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 254 transitions. [2024-12-06 00:53:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:53:21,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:21,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:21,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:21,056 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:21,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 00:53:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:21,353 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:21,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:21,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:21,403 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 00:53:21,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 00:53:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 190 states and 253 transitions. [2024-12-06 00:53:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 253 transitions. [2024-12-06 00:53:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:53:21,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:21,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:21,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:21,433 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:21,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 00:53:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:21,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:21,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:53:21,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:22,004 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 00:53:22,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 00:53:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 189 states and 252 transitions. [2024-12-06 00:53:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 252 transitions. [2024-12-06 00:53:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:53:22,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:22,237 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:22,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 00:53:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:22,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:22,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:53:22,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:22,719 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 00:53:22,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 00:53:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2024-12-06 00:53:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2024-12-06 00:53:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:53:25,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:25,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:25,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:25,823 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:25,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 00:53:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:26,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:26,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:53:26,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:26,218 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 00:53:26,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:53:26,399 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 00:53:26,545 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 00:53:26,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 00:53:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2024-12-06 00:53:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2024-12-06 00:53:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:53:27,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:27,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:27,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:27,923 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:27,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 00:53:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:28,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:28,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:53:28,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:28,337 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 00:53:28,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:53:28,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 00:53:28,555 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 00:53:28,742 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 00:53:28,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 00:53:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 190 states and 254 transitions. [2024-12-06 00:53:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 254 transitions. [2024-12-06 00:53:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:53:30,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:30,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:30,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:30,983 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:30,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 00:53:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:31,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:31,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:31,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:31,352 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 00:53:31,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 00:53:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2024-12-06 00:53:31,388 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2024-12-06 00:53:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:53:31,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:31,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:31,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:31,389 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:31,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 00:53:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:31,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:31,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:53:31,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:31,768 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 00:53:31,830 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 00:53:31,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 00:53:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 197 states and 268 transitions. [2024-12-06 00:53:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 268 transitions. [2024-12-06 00:53:34,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:53:34,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:34,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:34,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:34,625 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:34,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 00:53:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:34,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:34,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:34,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:34,976 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 00:53:34,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 00:53:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 196 states and 267 transitions. [2024-12-06 00:53:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 267 transitions. [2024-12-06 00:53:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:53:34,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:34,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:34,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:34,995 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:34,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 00:53:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:35,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:35,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:53:35,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:36,122 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 00:53:36,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 00:53:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 199 states and 272 transitions. [2024-12-06 00:53:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 272 transitions. [2024-12-06 00:53:39,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:53:39,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:39,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:39,495 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:39,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 00:53:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:39,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:39,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:39,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:39,896 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 00:53:39,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 00:53:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 198 states and 268 transitions. [2024-12-06 00:53:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 268 transitions. [2024-12-06 00:53:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:53:39,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:39,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:39,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:39,921 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:39,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 00:53:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:40,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:40,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:53:40,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:40,379 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 00:53:40,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 00:53:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 202 states and 274 transitions. [2024-12-06 00:53:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 274 transitions. [2024-12-06 00:53:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:53:42,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:42,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:42,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:42,866 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:42,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 00:53:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:43,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:43,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:53:43,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:43,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-06 00:53:43,516 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 00:53:43,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 00:53:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 201 states and 271 transitions. [2024-12-06 00:53:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 271 transitions. [2024-12-06 00:53:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:53:46,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:46,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:46,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:46,420 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:46,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 00:53:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:46,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:46,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:46,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:46,871 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 00:53:46,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 00:53:47,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 200 states and 270 transitions. [2024-12-06 00:53:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 270 transitions. [2024-12-06 00:53:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:53:47,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:47,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:47,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:47,629 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:47,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 00:53:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:47,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:48,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:53:48,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:48,052 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 00:53:48,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 00:53:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:49,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 199 states and 269 transitions. [2024-12-06 00:53:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2024-12-06 00:53:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:53:49,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:49,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:49,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:49,501 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:49,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 00:53:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:50,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:50,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:53:50,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:50,099 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 00:53:50,099 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 00:53:50,403 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 00:53:50,766 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 00:53:50,767 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 00:53:50,779 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 00:53:50,955 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 00:53:50,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 00:53:54,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 198 states and 268 transitions. [2024-12-06 00:53:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 268 transitions. [2024-12-06 00:53:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:53:54,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:54,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:54,946 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:54,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 00:53:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:55,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:55,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:53:55,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:55,573 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:53:55,573 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 00:53:55,579 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 00:53:55,896 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 11 treesize of output 7 [2024-12-06 00:53:55,904 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 00:53:56,274 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 00:53:56,275 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 00:53:56,283 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 00:53:56,293 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 00:53:56,297 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 00:53:56,302 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 00:53:56,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 00:53:59,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 197 states and 267 transitions. [2024-12-06 00:53:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 267 transitions. [2024-12-06 00:53:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:53:59,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:59,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:59,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:59,022 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:59,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 00:53:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:59,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:59,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:59,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:00,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 00:54:00,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:54:00,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 00:54:00,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-06 00:54:01,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-06 00:54:01,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-06 00:54:01,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-12-06 00:54:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:01,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 00:54:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 210 states and 292 transitions. [2024-12-06 00:54:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 292 transitions. [2024-12-06 00:54:24,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:54:24,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:24,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:24,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:24,208 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:24,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 00:54:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:24,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:24,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:24,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:24,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:54:24,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 00:54:24,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-06 00:54:24,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-06 00:54:24,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-06 00:54:24,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-06 00:54:25,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-12-06 00:54:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:25,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-12-06 00:54:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 211 states and 295 transitions. [2024-12-06 00:54:25,928 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 295 transitions. [2024-12-06 00:54:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:54:25,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:25,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:25,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:25,929 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:25,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 00:54:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:26,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:26,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:54:26,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:26,489 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 00:54:26,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 00:54:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 210 states and 294 transitions. [2024-12-06 00:54:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 294 transitions. [2024-12-06 00:54:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:54:26,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:26,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:26,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:26,547 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:26,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 00:54:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:27,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:27,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:54:27,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:27,266 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 00:54:27,284 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:54:27,285 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 00:54:27,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:54:27,309 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 00:54:27,342 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 00:54:27,342 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 00:54:27,349 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 00:54:27,364 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 00:54:27,370 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 00:54:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:27,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 00:54:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 209 states and 292 transitions. [2024-12-06 00:54:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 292 transitions. [2024-12-06 00:54:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:54:27,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:27,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:27,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:27,449 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:27,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 00:54:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:27,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:27,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:54:27,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:27,980 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 00:54:27,997 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:54:27,997 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 00:54:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:54:28,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 00:54:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 215 states and 313 transitions. [2024-12-06 00:54:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 313 transitions. [2024-12-06 00:54:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:54:37,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:37,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:37,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:37,509 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:37,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 00:54:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:37,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:37,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:54:37,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:54:38,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 00:54:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 222 states and 335 transitions. [2024-12-06 00:54:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 335 transitions. [2024-12-06 00:54:46,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:54:46,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:46,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:46,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:46,426 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:46,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 00:54:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:46,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:46,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:54:46,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:46,996 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:54:46,996 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 00:54:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:54:47,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 00:54:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:47,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 223 states and 337 transitions. [2024-12-06 00:54:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 337 transitions. [2024-12-06 00:54:47,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:54:47,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:47,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:47,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:47,791 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:47,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 00:54:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:48,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:48,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:54:48,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:54:49,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 00:55:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 230 states and 361 transitions. [2024-12-06 00:55:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2024-12-06 00:55:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:55:11,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:11,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:11,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:11,733 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:11,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 00:55:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:12,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:12,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:55:12,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:12,281 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 00:55:12,293 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:55:12,293 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 00:55:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:55:12,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 00:55:13,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:13,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 231 states and 363 transitions. [2024-12-06 00:55:13,804 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 363 transitions. [2024-12-06 00:55:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:55:13,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:13,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:13,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:13,806 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:13,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 00:55:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:14,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:14,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:55:14,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:55:14,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 00:55:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 232 states and 365 transitions. [2024-12-06 00:55:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 365 transitions. [2024-12-06 00:55:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:55:15,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:15,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:15,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:15,397 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:15,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 00:55:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:15,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:15,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:55:15,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:55:15,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 00:55:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:19,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 233 states and 368 transitions. [2024-12-06 00:55:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 368 transitions. [2024-12-06 00:55:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:55:19,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:19,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:19,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:19,068 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:19,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 00:55:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:19,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:19,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:55:19,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:55:19,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 00:55:21,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:21,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 234 states and 370 transitions. [2024-12-06 00:55:21,986 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 370 transitions. [2024-12-06 00:55:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:55:21,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:21,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:21,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:21,988 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:21,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 00:55:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:22,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:22,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:55:22,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:22,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:55:22,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 00:55:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 235 states and 372 transitions. [2024-12-06 00:55:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 372 transitions. [2024-12-06 00:55:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:55:24,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:24,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:24,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:24,118 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:24,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 00:55:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:24,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:24,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:55:24,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:24,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 00:55:24,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:55:25,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-06 00:55:25,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-06 00:55:25,367 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 15 treesize of output 7 [2024-12-06 00:55:25,370 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 15 treesize of output 7 [2024-12-06 00:55:25,906 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 00:55:25,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 00:55:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 239 states and 375 transitions. [2024-12-06 00:55:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 375 transitions. [2024-12-06 00:55:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:55:35,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:35,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:35,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:35,701 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:35,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 00:55:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:36,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:36,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:55:36,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:55:36,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 00:55:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 238 states and 374 transitions. [2024-12-06 00:55:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 374 transitions. [2024-12-06 00:55:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:55:36,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:36,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:36,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:36,390 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:36,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 00:55:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:36,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:36,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:55:36,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:55:38,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 00:56:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 247 states and 398 transitions. [2024-12-06 00:56:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 398 transitions. [2024-12-06 00:56:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:56:09,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:09,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:09,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:09,211 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:09,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 00:56:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:09,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:09,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:56:09,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:56:09,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 00:56:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 246 states and 397 transitions. [2024-12-06 00:56:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 397 transitions. [2024-12-06 00:56:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:56:09,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:09,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:09,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:09,765 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:09,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 00:56:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:10,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:10,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:56:10,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:56:10,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 00:56:14,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 247 states and 400 transitions. [2024-12-06 00:56:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 400 transitions. [2024-12-06 00:56:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:56:14,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:14,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:14,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:14,721 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:14,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 00:56:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:15,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:15,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:56:15,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:56:15,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 00:56:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 248 states and 400 transitions. [2024-12-06 00:56:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 400 transitions. [2024-12-06 00:56:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:56:15,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:15,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:15,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:15,397 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:15,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 00:56:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:15,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:15,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:56:15,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:56:16,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 00:56:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 249 states and 402 transitions. [2024-12-06 00:56:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 402 transitions. [2024-12-06 00:56:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:56:18,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:18,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:18,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:18,252 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:18,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 00:56:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:18,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:18,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:56:18,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:18,923 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 00:56:18,942 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-12-06 00:56:18,942 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 14 treesize of output 20 [2024-12-06 00:56:20,109 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-12-06 00:56:20,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-12-06 00:56:20,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:56:22,140 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 00:56:22,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-12-06 00:56:22,149 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 24 treesize of output 12 [2024-12-06 00:56:22,169 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 00:56:22,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 00:56:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 264 states and 430 transitions. [2024-12-06 00:56:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 430 transitions. [2024-12-06 00:56:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:56:54,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:54,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:54,975 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:54,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 00:56:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:55,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:55,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:56:55,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:56:55,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-12-06 00:57:23,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:23,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 274 states and 456 transitions. [2024-12-06 00:57:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 456 transitions. [2024-12-06 00:57:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:57:23,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:23,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:23,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:23,914 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:23,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 00:57:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:24,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:24,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:57:24,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:57:24,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 00:57:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 277 states and 459 transitions. [2024-12-06 00:57:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 459 transitions. [2024-12-06 00:57:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:57:27,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:27,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:27,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:27,118 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:27,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 00:57:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:27,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:27,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:57:27,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:57:27,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 00:57:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 278 states and 461 transitions. [2024-12-06 00:57:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 461 transitions. [2024-12-06 00:57:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:57:29,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:29,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:29,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:29,646 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:29,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 00:57:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:30,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:30,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:57:30,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:57:31,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 00:58:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 297 states and 501 transitions. [2024-12-06 00:58:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 501 transitions. [2024-12-06 00:58:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:58:12,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:12,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:12,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:12,833 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:12,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 00:58:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:13,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:13,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:58:13,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:58:13,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 00:58:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 301 states and 505 transitions. [2024-12-06 00:58:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 505 transitions. [2024-12-06 00:58:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:58:15,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:15,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:15,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:15,907 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:15,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 00:58:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:16,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:16,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:58:16,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:58:16,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 00:58:18,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:18,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 302 states and 507 transitions. [2024-12-06 00:58:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 507 transitions. [2024-12-06 00:58:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:58:18,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:18,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:18,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:18,358 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:18,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 00:58:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:19,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:19,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:58:19,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:19,149 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 00:58:19,149 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 00:58:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:58:19,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 00:58:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 303 states and 508 transitions. [2024-12-06 00:58:20,951 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 508 transitions. [2024-12-06 00:58:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:58:20,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:20,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:20,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:20,953 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:20,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 00:58:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:21,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:21,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:58:21,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:21,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:58:21,907 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 16 treesize of output 11 [2024-12-06 00:58:21,917 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:58:21,917 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 00:58:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:58:21,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 00:58:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 307 states and 520 transitions. [2024-12-06 00:58:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 520 transitions. [2024-12-06 00:58:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:58:29,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:29,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:29,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:29,292 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:29,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 00:58:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:29,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:29,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:58:29,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:58:29,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 00:58:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:34,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 306 states and 519 transitions. [2024-12-06 00:58:34,720 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 519 transitions. [2024-12-06 00:58:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:58:34,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:34,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:34,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:34,722 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:34,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 00:58:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:35,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:35,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:58:35,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:58:35,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 00:58:35,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 305 states and 518 transitions. [2024-12-06 00:58:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 518 transitions. [2024-12-06 00:58:35,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:58:35,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:35,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:35,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:35,500 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:35,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 00:58:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:36,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:36,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:58:36,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:36,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-06 00:58:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:58:37,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 00:59:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 313 states and 541 transitions. [2024-12-06 00:59:05,800 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 541 transitions. [2024-12-06 00:59:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:59:05,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:05,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:05,802 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:05,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 00:59:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:06,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:06,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:59:06,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:06,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-06 00:59:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:59:06,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 00:59:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 314 states and 544 transitions. [2024-12-06 00:59:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 544 transitions. [2024-12-06 00:59:10,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:59:10,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:10,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:10,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:10,498 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:10,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 00:59:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:11,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:11,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:59:11,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:11,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-06 00:59:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:59:11,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 00:59:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 315 states and 546 transitions. [2024-12-06 00:59:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 546 transitions. [2024-12-06 00:59:14,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:59:14,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:14,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:14,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:14,098 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:14,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 00:59:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:14,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:14,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:59:14,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:14,731 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 00:59:14,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:59:14,745 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 00:59:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:59:14,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 00:59:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 312 states and 542 transitions. [2024-12-06 00:59:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 542 transitions. [2024-12-06 00:59:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:59:17,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:17,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:17,965 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:17,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 00:59:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:18,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:18,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:59:18,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:18,783 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 00:59:18,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:59:18,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:59:18,808 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 00:59:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:59:18,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 00:59:22,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 305 states and 530 transitions. [2024-12-06 00:59:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 530 transitions. [2024-12-06 00:59:22,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:59:22,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:22,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:22,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:22,484 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:22,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 00:59:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:23,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:23,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:59:23,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:23,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 00:59:23,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 00:59:23,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-06 00:59:23,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-06 00:59:23,509 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 15 treesize of output 7 [2024-12-06 00:59:23,511 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 15 treesize of output 7 [2024-12-06 00:59:23,516 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 00:59:23,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 00:59:23,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 305 states and 529 transitions. [2024-12-06 00:59:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 529 transitions. [2024-12-06 00:59:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:59:23,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:23,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:23,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:23,580 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:23,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 00:59:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:24,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:24,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:59:24,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:24,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 00:59:27,389 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 15 treesize of output 7 [2024-12-06 00:59:27,393 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 15 treesize of output 7 [2024-12-06 00:59:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:59:28,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 01:00:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 317 states and 558 transitions. [2024-12-06 01:00:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 558 transitions. [2024-12-06 01:00:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:00:13,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:13,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:00:13,388 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:00:13,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 01:00:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:14,334 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:00:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:15,589 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:00:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:16,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 01:00:16,581 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 92 iterations. [2024-12-06 01:00:16,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:00:16 ImpRootNode [2024-12-06 01:00:16,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:00:16,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:00:16,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:00:16,639 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:00:16,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:51" (3/4) ... [2024-12-06 01:00:16,645 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:00:16,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:00:16,647 INFO L158 Benchmark]: Toolchain (without parser) took 446590.48ms. Allocated memory was 92.3MB in the beginning and 335.5MB in the end (delta: 243.3MB). Free memory was 68.4MB in the beginning and 183.6MB in the end (delta: -115.2MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. [2024-12-06 01:00:16,647 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:00:16,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.33ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 49.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:00:16,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.59ms. Allocated memory is still 92.3MB. Free memory was 49.9MB in the beginning and 47.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:00:16,648 INFO L158 Benchmark]: Boogie Preprocessor took 30.26ms. Allocated memory is still 92.3MB. Free memory was 47.9MB in the beginning and 45.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:00:16,648 INFO L158 Benchmark]: RCFGBuilder took 782.60ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 63.4MB in the end (delta: -17.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-12-06 01:00:16,649 INFO L158 Benchmark]: CodeCheck took 445413.86ms. Allocated memory was 92.3MB in the beginning and 335.5MB in the end (delta: 243.3MB). Free memory was 63.3MB in the beginning and 183.6MB in the end (delta: -120.3MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2024-12-06 01:00:16,649 INFO L158 Benchmark]: Witness Printer took 7.47ms. Allocated memory is still 335.5MB. Free memory was 183.6MB in the beginning and 183.6MB in the end (delta: 92.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:00:16,651 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, 162 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 445.3s, OverallIterations: 92, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22020 SdHoareTripleChecker+Valid, 182.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16240 mSDsluCounter, 16701 SdHoareTripleChecker+Invalid, 161.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13456 mSDsCounter, 14193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54856 IncrementalHoareTripleChecker+Invalid, 69049 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14193 mSolverCounterUnsat, 3245 mSDtfsCounter, 54856 mSolverCounterSat, 1.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14125 GetRequests, 13098 SyntacticMatches, 197 SemanticMatches, 830 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317352 ImplicationChecksByTransitivity, 392.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.7s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 25.8s InterpolantComputationTime, 1683 NumberOfCodeBlocks, 1683 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 1563 ConstructedInterpolants, 2 QuantifiedInterpolants, 8661 SizeOfPredicates, 94 NumberOfNonLiveVariables, 13565 ConjunctsInSsa, 486 ConjunctsInUnsatCore, 91 InterpolantComputations, 88 PerfectInterpolantSequences, 45/49 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: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) VAL [null={8388608:0}] [L1000] null->prev = ((void*)0) VAL [null={8388608:0}] [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null VAL [list={4:0}, null={8388608:0}] [L1005] list->prev = null VAL [list={4:0}, null={8388608:0}] [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={4:0}, list={4:0}, null={8388608:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={4:0}, list={4:0}, null={8388608:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={4:0}, list={4:0}, null={8388608:0}] [L1041] COND FALSE !(0) VAL [end={4:0}, list={4:0}, null={8388608:0}] [L1042] EXPR end->colour VAL [end={4:0}, list={4:0}, null={8388608:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1042] COND FALSE !(0) VAL [end={4:0}, list={4:0}, null={8388608:0}] [L1043] COND TRUE null != end VAL [end={4:0}, list={4:0}, null={8388608:0}] [L1045] EXPR end->colour VAL [end={4:0}, list={4:0}, null={8388608:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) VAL [list={4:0}, null={8388608:0}] [L1056] COND TRUE null != list VAL [list={4:0}, null={8388608:0}] [L1058] EXPR list->colour VAL [list={4:0}, null={8388608:0}] [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) VAL [end={8388608:0}, null={8388608:0}] [L1068] free(list) VAL [end={8388608:0}, null={8388608:0}] [L1068] free(list) [L1069] list = end VAL [list={8388608:0}, null={8388608:0}] [L1056] COND FALSE !(null != list) [L1073] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.33ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 49.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.59ms. Allocated memory is still 92.3MB. Free memory was 49.9MB in the beginning and 47.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.26ms. Allocated memory is still 92.3MB. Free memory was 47.9MB in the beginning and 45.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 782.60ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 63.4MB in the end (delta: -17.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * CodeCheck took 445413.86ms. Allocated memory was 92.3MB in the beginning and 335.5MB in the end (delta: 243.3MB). Free memory was 63.3MB in the beginning and 183.6MB in the end (delta: -120.3MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. * Witness Printer took 7.47ms. Allocated memory is still 335.5MB. Free memory was 183.6MB in the beginning and 183.6MB in the end (delta: 92.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:00:16,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dfd3be-9f95-4614-8c07-23488193b26b/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