./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/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_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/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_038690b6-d417-49f5-9ef8-12594fb7830c/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 aa61daf361995635005a262e43d385a4b2c55dcce46079a14f1db13e5b0af9cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:06:49,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:06:49,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 00:06:49,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:06:49,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:06:49,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:06:49,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:06:49,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:06:49,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:06:49,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:06:49,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:06:49,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:06:49,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:06:49,593 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:06:49,593 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:06:49,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:06:49,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:06:49,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:49,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:06:49,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:06:49,595 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:06:49,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:06:49,595 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_038690b6-d417-49f5-9ef8-12594fb7830c/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 -> aa61daf361995635005a262e43d385a4b2c55dcce46079a14f1db13e5b0af9cd [2024-12-06 00:06:49,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:06:49,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:06:49,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:06:49,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:06:49,813 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:06:49,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2024-12-06 00:06:52,426 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data/8dab243e2/d79d3d93eee646dc8d5e816c76adacb5/FLAGb28218c7b [2024-12-06 00:06:52,705 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:06:52,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2024-12-06 00:06:52,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data/8dab243e2/d79d3d93eee646dc8d5e816c76adacb5/FLAGb28218c7b [2024-12-06 00:06:53,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data/8dab243e2/d79d3d93eee646dc8d5e816c76adacb5 [2024-12-06 00:06:53,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:06:53,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:06:53,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:53,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:06:53,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:06:53,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2520f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53, skipping insertion in model container [2024-12-06 00:06:53,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:06:53,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:53,367 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:06:53,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:53,457 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:06:53,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53 WrapperNode [2024-12-06 00:06:53,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:53,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:53,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:06:53,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:06:53,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,501 INFO L138 Inliner]: procedures = 164, calls = 70, calls flagged for inlining = 31, calls inlined = 20, statements flattened = 141 [2024-12-06 00:06:53,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:53,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:06:53,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:06:53,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:06:53,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,520 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:06:53,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:06:53,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:06:53,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:06:53,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:53,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:06:53,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:06:53,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:06:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:06:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:06:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:06:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:06:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:06:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:06:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:06:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:06:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:06:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:06:53,692 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:06:53,693 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:06:53,968 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-12-06 00:06:53,969 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:06:54,032 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:06:54,032 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:06:54,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:54 BoogieIcfgContainer [2024-12-06 00:06:54,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:06:54,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:06:54,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:06:54,043 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:06:54,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:54" (1/1) ... [2024-12-06 00:06:54,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:06:54,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:54,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2024-12-06 00:06:54,091 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2024-12-06 00:06:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:06:54,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:54,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:54,329 INFO 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 00:06:54,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2024-12-06 00:06:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2024-12-06 00:06:54,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:06:54,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:54,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:54,547 INFO 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 00:06:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2024-12-06 00:06:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2024-12-06 00:06:54,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:06:54,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:54,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:54,924 INFO 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 00:06:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2024-12-06 00:06:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2024-12-06 00:06:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:06:54,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:54,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:55,105 INFO 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 00:06:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2024-12-06 00:06:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2024-12-06 00:06:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:06:55,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:55,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:55,369 INFO 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 00:06:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2024-12-06 00:06:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2024-12-06 00:06:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:06:56,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:56,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:56,291 INFO 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 00:06:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2024-12-06 00:06:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2024-12-06 00:06:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:06:56,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:57,166 INFO 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 00:06:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2024-12-06 00:06:58,472 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2024-12-06 00:06:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:06:58,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:58,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:58,585 INFO 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 00:06:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2024-12-06 00:06:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2024-12-06 00:06:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:06:58,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:58,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:00,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:00,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2024-12-06 00:07:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2024-12-06 00:07:00,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:07:00,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:00,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:00,517 INFO 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 00:07:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2024-12-06 00:07:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2024-12-06 00:07:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:07:01,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:01,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:01,666 INFO 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 00:07:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2024-12-06 00:07:01,685 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-12-06 00:07:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:07:01,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:01,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:01,993 INFO 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 00:07:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2024-12-06 00:07:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2024-12-06 00:07:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:07:02,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:02,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:03,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2024-12-06 00:07:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2024-12-06 00:07:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:07:03,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2024-12-06 00:07:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2024-12-06 00:07:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:07:05,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:05,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:06,360 INFO 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 00:07:11,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2024-12-06 00:07:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2024-12-06 00:07:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:07:11,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:11,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:11,403 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 00:07:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2024-12-06 00:07:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2024-12-06 00:07:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:07:11,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:11,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:11,597 INFO 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 00:07:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2024-12-06 00:07:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2024-12-06 00:07:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:07:12,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:12,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:12,563 INFO 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 00:07:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2024-12-06 00:07:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2024-12-06 00:07:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:07:16,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:16,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:16,872 INFO 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 00:07:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2024-12-06 00:07:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-12-06 00:07:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:07:19,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:19,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:25,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2024-12-06 00:07:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2024-12-06 00:07:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:07:25,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:25,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:25,610 INFO 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 00:07:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions. [2024-12-06 00:07:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2024-12-06 00:07:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:07:26,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:26,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:27,025 INFO 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 00:07:27,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions. [2024-12-06 00:07:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2024-12-06 00:07:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:07:27,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:27,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:27,279 INFO 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 00:07:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2024-12-06 00:07:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2024-12-06 00:07:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:07:27,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:27,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:28,820 INFO 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 00:07:30,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:30,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2024-12-06 00:07:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2024-12-06 00:07:30,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:07:30,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:30,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:30,834 INFO 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 00:07:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2024-12-06 00:07:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2024-12-06 00:07:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:07:33,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:33,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:34,696 INFO 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 00:07:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2024-12-06 00:07:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2024-12-06 00:07:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:07:47,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:47,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:48,091 INFO 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 00:07:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2024-12-06 00:07:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2024-12-06 00:07:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:07:49,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:49,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:49,713 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 00:07:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2024-12-06 00:07:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2024-12-06 00:07:50,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:07:50,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:50,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:51,608 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 00:07:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2024-12-06 00:07:53,004 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2024-12-06 00:07:53,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:07:53,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:53,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions. [2024-12-06 00:07:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2024-12-06 00:07:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:07:55,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:55,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions. [2024-12-06 00:07:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2024-12-06 00:07:58,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:07:58,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:58,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2024-12-06 00:08:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2024-12-06 00:08:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 00:08:00,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:00,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:01,596 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 53 states and 56 transitions. [2024-12-06 00:08:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2024-12-06 00:08:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:08:03,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:03,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 54 states and 57 transitions. [2024-12-06 00:08:06,124 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2024-12-06 00:08:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 00:08:06,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:06,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 55 states and 58 transitions. [2024-12-06 00:08:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2024-12-06 00:08:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 00:08:08,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 56 states and 59 transitions. [2024-12-06 00:08:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2024-12-06 00:08:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:08:10,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:10,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 57 states and 60 transitions. [2024-12-06 00:08:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2024-12-06 00:08:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 00:08:12,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:12,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:14,539 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2024-12-06 00:08:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-12-06 00:08:17,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:08:17,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:17,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2024-12-06 00:08:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2024-12-06 00:08:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:08:19,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:19,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2024-12-06 00:08:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-12-06 00:08:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 00:08:22,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:22,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-12-06 00:08:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-12-06 00:08:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 00:08:26,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:26,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 62 states and 65 transitions. [2024-12-06 00:08:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-12-06 00:08:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 00:08:36,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:36,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:08:36,688 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:08:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:08:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:08:46,603 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:08:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:08:55,848 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 43 iterations. [2024-12-06 00:08:55,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:08:55 ImpRootNode [2024-12-06 00:08:55,878 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:08:55,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:08:55,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:08:55,879 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:08:55,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:54" (3/4) ... [2024-12-06 00:08:55,881 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:08:55,881 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:08:55,882 INFO L158 Benchmark]: Toolchain (without parser) took 122852.51ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 91.2MB in the beginning and 280.5MB in the end (delta: -189.3MB). Peak memory consumption was 202.3MB. Max. memory is 16.1GB. [2024-12-06 00:08:55,882 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:08:55,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.37ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.4MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:08:55,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:08:55,883 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 65.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:08:55,884 INFO L158 Benchmark]: RCFGBuilder took 501.65ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 89.8MB in the end (delta: -24.4MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-12-06 00:08:55,884 INFO L158 Benchmark]: CodeCheck took 121844.53ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 89.2MB in the beginning and 280.5MB in the end (delta: -191.3MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. [2024-12-06 00:08:55,884 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 503.3MB. Free memory was 280.5MB in the beginning and 280.5MB in the end (delta: 64.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:08:55,886 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, 59 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 121.8s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4058 SdHoareTripleChecker+Valid, 24.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2891 mSDsluCounter, 695 SdHoareTripleChecker+Invalid, 21.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 5106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18346 IncrementalHoareTripleChecker+Invalid, 23452 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5106 mSolverCounterUnsat, 357 mSDtfsCounter, 18346 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6855 GetRequests, 6021 SyntacticMatches, 186 SemanticMatches, 648 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189328 ImplicationChecksByTransitivity, 95.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 10.1s SatisfiabilityAnalysisTime, 27.5s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 810 ConstructedInterpolants, 0 QuantifiedInterpolants, 3445 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 27 PerfectInterpolantSequences, 0/680 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: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L764] CALL entry_point() [L758] struct ldv_kobject *kobj; [L759] CALL, EXPR ldv_kobject_create() [L740] struct ldv_kobject *kobj; [L741] CALL, EXPR ldv_malloc(sizeof(*kobj)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L741] RET, EXPR ldv_malloc(sizeof(*kobj)) [L741] kobj = ldv_malloc(sizeof(*kobj)) [L742] COND FALSE !(!kobj) [L744] FCALL memset(kobj, 0, sizeof(*kobj)) [L745] CALL ldv_kobject_init(kobj) [L730] COND FALSE !(!kobj) [L733] CALL ldv_kobject_init_internal(kobj) [L723] COND FALSE !(!kobj) [L725] CALL ldv_kref_init(&kobj->kref) [L682] ((&kref->refcount)->counter) = (1) [L725] RET ldv_kref_init(&kobj->kref) [L726] CALL LDV_INIT_LIST_HEAD(&kobj->entry) [L540] list->next = list VAL [ldv_global_msg_list={1:0}, list={-1:4}] [L541] list->prev = list [L726] RET LDV_INIT_LIST_HEAD(&kobj->entry) [L733] RET ldv_kobject_init_internal(kobj) [L745] RET ldv_kobject_init(kobj) [L746] return kobj; VAL [\result={-1:0}, ldv_global_msg_list={1:0}] [L759] RET, EXPR ldv_kobject_create() [L759] kobj = ldv_kobject_create() [L760] CALL ldv_kobject_get(kobj) [L717] COND TRUE \read(*kobj) [L718] CALL ldv_kref_get(&kobj->kref) [L686] CALL ldv_atomic_add_return(1, (&kref->refcount)) [L657] int temp; VAL [i=1, ldv_global_msg_list={1:0}, v={-1:12}] [L658] EXPR v->counter [L658] temp = v->counter [L659] temp += i VAL [ldv_global_msg_list={1:0}, temp=2, v={-1:12}] [L660] v->counter = temp [L661] return temp; [L686] RET ldv_atomic_add_return(1, (&kref->refcount)) [L718] RET ldv_kref_get(&kobj->kref) [L719] return kobj; [L760] RET ldv_kobject_get(kobj) [L761] CALL ldv_kobject_put(kobj) [L711] COND TRUE \read(*kobj) [L712] CALL ldv_kref_put(&kobj->kref, ldv_kobject_release) [L690] CALL, EXPR ldv_kref_sub(kref, 1, release) [L674] CALL, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) [L665] int temp; VAL [i=1, ldv_global_msg_list={1:0}, v={-1:12}] [L666] EXPR v->counter [L666] temp = v->counter [L667] temp -= i VAL [ldv_global_msg_list={1:0}, temp=1, v={-1:12}] [L668] v->counter = temp [L669] return temp; [L674] RET, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) [L674] COND FALSE !((ldv_atomic_sub_return(((int) count), (&kref->refcount)) == 0)) [L678] return 0; VAL [\result=0, kref={-1:12}, ldv_global_msg_list={1:0}, release={-1:0}] [L690] RET, EXPR ldv_kref_sub(kref, 1, release) [L690] return ldv_kref_sub(kref, 1, release); [L712] RET ldv_kref_put(&kobj->kref, ldv_kobject_release) [L761] RET ldv_kobject_put(kobj) [L764] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.37ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.4MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 65.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.65ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 89.8MB in the end (delta: -24.4MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * CodeCheck took 121844.53ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 89.2MB in the beginning and 280.5MB in the end (delta: -191.3MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 503.3MB. Free memory was 280.5MB in the beginning and 280.5MB in the end (delta: 64.6kB). 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 00:08:55,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/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_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/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_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/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_038690b6-d417-49f5-9ef8-12594fb7830c/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 aa61daf361995635005a262e43d385a4b2c55dcce46079a14f1db13e5b0af9cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:08:57,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:08:57,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 00:08:57,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:08:57,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:08:57,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:08:57,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:08:57,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:08:57,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:08:57,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:08:57,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:08:57,831 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:08:57,831 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:08:57,831 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:08:57,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:08:57,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:08:57,832 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:08:57,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:08:57,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:08:57,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:08:57,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:08:57,833 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:08:57,833 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:08:57,833 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:08:57,833 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_038690b6-d417-49f5-9ef8-12594fb7830c/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 -> aa61daf361995635005a262e43d385a4b2c55dcce46079a14f1db13e5b0af9cd [2024-12-06 00:08:58,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:08:58,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:08:58,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:08:58,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:08:58,062 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:08:58,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2024-12-06 00:09:00,673 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data/74ba04f08/56f5656d70fa45ab97cfa25686f6f49b/FLAG0dc7362b3 [2024-12-06 00:09:00,924 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:09:00,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2024-12-06 00:09:00,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data/74ba04f08/56f5656d70fa45ab97cfa25686f6f49b/FLAG0dc7362b3 [2024-12-06 00:09:00,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/data/74ba04f08/56f5656d70fa45ab97cfa25686f6f49b [2024-12-06 00:09:00,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:09:00,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:09:00,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:00,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:09:00,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:09:00,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:00" (1/1) ... [2024-12-06 00:09:00,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217d5e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:00, skipping insertion in model container [2024-12-06 00:09:00,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:00" (1/1) ... [2024-12-06 00:09:00,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:09:01,229 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:09:01,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:01,288 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 00:09:01,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:09:01,323 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:09:01,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:01,346 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:09:01,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:01,417 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:09:01,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01 WrapperNode [2024-12-06 00:09:01,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:01,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:01,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:09:01,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:09:01,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,458 INFO L138 Inliner]: procedures = 165, calls = 70, calls flagged for inlining = 31, calls inlined = 20, statements flattened = 137 [2024-12-06 00:09:01,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:01,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:09:01,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:09:01,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:09:01,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,480 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:09:01,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:09:01,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:09:01,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:09:01,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:01" (1/1) ... [2024-12-06 00:09:01,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:01,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:09:01,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:09:01,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:09:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:09:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:09:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:09:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:09:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:09:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:09:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:09:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:09:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:09:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:09:01,645 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:09:01,646 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:09:01,992 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-12-06 00:09:01,993 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:09:02,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:09:02,059 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:09:02,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:02 BoogieIcfgContainer [2024-12-06 00:09:02,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:09:02,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:09:02,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:09:02,069 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:09:02,069 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:02" (1/1) ... [2024-12-06 00:09:02,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:09:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2024-12-06 00:09:02,117 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2024-12-06 00:09:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:09:02,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:02,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:02,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:02,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:02,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:09:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:02,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:02,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:09:02,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:02,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 00:09:02,376 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:09:02,377 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:09:02,481 INFO 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 00:09:02,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:09:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2024-12-06 00:09:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2024-12-06 00:09:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:09:02,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:02,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:02,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:02,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:02,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:09:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:02,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:02,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:09:02,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:02,727 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:09:02,728 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:09:02,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 00:09:02,743 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 00:09:02,868 INFO 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 00:09:02,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:09:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2024-12-06 00:09:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2024-12-06 00:09:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:09:03,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:03,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:03,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:03,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:03,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:09:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:03,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:03,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:09:03,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:03,607 INFO 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 00:09:03,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:09:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:03,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2024-12-06 00:09:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2024-12-06 00:09:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:09:03,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:03,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:03,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:03,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:03,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:09:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:03,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:03,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:09:03,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:03,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:03,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:09:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2024-12-06 00:09:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2024-12-06 00:09:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:09:04,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:04,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:04,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:04,236 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:04,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:09:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:04,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:04,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:09:04,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:04,366 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:09:04,367 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:09:04,484 INFO 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 00:09:04,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:09:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2024-12-06 00:09:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2024-12-06 00:09:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:09:05,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:05,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:05,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:05,685 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:05,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:09:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:05,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:05,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:09:05,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:06,085 INFO 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 00:09:06,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:09:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2024-12-06 00:09:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2024-12-06 00:09:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:09:06,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:06,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:06,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:06,969 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:06,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:09:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:07,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:07,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:09:07,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:07,222 INFO 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 00:09:07,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:09:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2024-12-06 00:09:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2024-12-06 00:09:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:09:07,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:07,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:07,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:07,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:07,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:09:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:07,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:07,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:09:07,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:07,766 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 00:09:07,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:09:08,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2024-12-06 00:09:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2024-12-06 00:09:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:09:08,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:08,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:08,157 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:08,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:09:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:08,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:08,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:09:08,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:08,385 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 00:09:08,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:09:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2024-12-06 00:09:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2024-12-06 00:09:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:09:08,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:08,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:08,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:08,749 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:08,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:09:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:08,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:08,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:09:08,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:08,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:09:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:09,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2024-12-06 00:09:09,432 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2024-12-06 00:09:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:09:09,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:09,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:09,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:09,434 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:09,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:09:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:09,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:09,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:09:09,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:09,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:09:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:10,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2024-12-06 00:09:10,146 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2024-12-06 00:09:10,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:09:10,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:10,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:10,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:10,147 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:10,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:09:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:10,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:10,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:09:10,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:10,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:09:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2024-12-06 00:09:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2024-12-06 00:09:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:09:10,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:10,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:10,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:10,875 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:10,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:09:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:11,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:11,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:09:11,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:11,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:09:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2024-12-06 00:09:11,656 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2024-12-06 00:09:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:09:11,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:11,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:11,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:11,658 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:11,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:09:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:11,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:11,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:09:11,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:11,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:09:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2024-12-06 00:09:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2024-12-06 00:09:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:09:12,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:12,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:12,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:12,500 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:12,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:09:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:12,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:12,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:09:12,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:12,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:09:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2024-12-06 00:09:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2024-12-06 00:09:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:09:13,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:13,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:13,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:13,440 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:13,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:09:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:13,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:13,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:09:13,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:13,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:09:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2024-12-06 00:09:14,520 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2024-12-06 00:09:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:09:14,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:14,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:14,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:14,522 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:14,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:09:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:14,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:14,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:09:14,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:14,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:09:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2024-12-06 00:09:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2024-12-06 00:09:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:09:15,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:15,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:15,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:15,630 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:15,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:09:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:15,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:15,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:09:15,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:16,088 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:16,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:09:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2024-12-06 00:09:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2024-12-06 00:09:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:09:16,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:16,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:16,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:16,803 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:16,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:09:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:17,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:17,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:09:17,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:17,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:09:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2024-12-06 00:09:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2024-12-06 00:09:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:09:18,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:18,093 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:18,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:09:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:18,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:18,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:09:18,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:18,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 00:09:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2024-12-06 00:09:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-12-06 00:09:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:09:19,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:19,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:19,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:19,405 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:19,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:09:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:19,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:19,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:09:19,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:19,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:09:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2024-12-06 00:09:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2024-12-06 00:09:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:09:20,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:20,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:20,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:20,738 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:20,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:09:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:21,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:21,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:09:21,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:21,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:09:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2024-12-06 00:09:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2024-12-06 00:09:22,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:09:22,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:22,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:22,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:22,254 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:22,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:09:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:22,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:22,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:09:22,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:09:24,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:09:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2024-12-06 00:09:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2024-12-06 00:09:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:09:48,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:48,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:48,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:48,534 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:48,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:09:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:48,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:48,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:09:48,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:09:49,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:09:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2024-12-06 00:09:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-12-06 00:09:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:09:51,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:51,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:51,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:51,279 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:51,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:09:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:51,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:51,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:09:51,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:09:52,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:09:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2024-12-06 00:09:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2024-12-06 00:09:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:09:57,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:57,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:57,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:57,982 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:57,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:09:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:58,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:58,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:09:58,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:09:59,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:10:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:10:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2024-12-06 00:10:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2024-12-06 00:10:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:10:04,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:10:04,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:10:04,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:10:04,438 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:10:04,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:10:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:04,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:10:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:04,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:10:04,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:10:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:10:05,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:10:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:10:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2024-12-06 00:10:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2024-12-06 00:10:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:10:31,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:10:31,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:10:31,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:10:31,303 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:10:31,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:10:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:31,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:10:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:31,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:10:31,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:10:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:10:31,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:10:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:10:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 82 states and 93 transitions. [2024-12-06 00:10:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2024-12-06 00:10:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:10:31,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:10:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:10:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:10:31,773 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:10:31,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:10:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:32,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:10:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:32,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:10:32,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:10:32,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 00:10:32,386 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:10:32,387 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:10:32,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-12-06 00:10:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:10:35,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 00:11:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2024-12-06 00:11:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2024-12-06 00:11:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:11:15,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:15,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:15,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:15,542 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:15,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 00:11:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:16,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:16,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:11:16,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:11:16,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 00:11:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2024-12-06 00:11:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2024-12-06 00:11:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:11:22,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:22,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:22,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:22,084 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:22,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 00:11:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:22,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:22,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 00:11:22,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:22,627 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:11:22,627 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:11:22,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 00:11:22,637 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 00:11:24,706 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:11:24,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 00:11:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2024-12-06 00:11:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2024-12-06 00:11:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 00:11:44,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:44,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:44,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:44,663 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 00:11:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:45,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:45,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:11:45,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:11:45,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 00:11:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 72 states and 77 transitions. [2024-12-06 00:11:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2024-12-06 00:11:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 00:11:45,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:45,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:45,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:45,177 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:45,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 00:11:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:45,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:45,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:11:45,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:11:47,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 00:11:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 71 states and 76 transitions. [2024-12-06 00:11:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2024-12-06 00:11:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 00:11:52,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:52,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:52,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:52,517 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:52,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 00:11:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:53,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:53,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:11:53,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:11:55,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 00:12:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2024-12-06 00:12:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2024-12-06 00:12:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 00:12:10,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:10,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:10,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:10,348 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:10,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 00:12:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:10,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:11,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 00:12:11,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:11,083 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:12:11,083 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:12:11,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 00:12:11,097 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 00:12:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:12:13,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 00:12:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 67 states and 70 transitions. [2024-12-06 00:12:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-12-06 00:12:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:12:33,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:33,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:33,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:33,152 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:33,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 00:12:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:33,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:33,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:12:33,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:12:33,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 00:12:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 66 states and 69 transitions. [2024-12-06 00:12:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2024-12-06 00:12:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:12:33,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:33,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:33,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:33,740 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:33,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 00:12:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:34,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:34,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:12:34,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:12:35,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 00:12:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 65 states and 68 transitions. [2024-12-06 00:12:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2024-12-06 00:12:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 00:12:41,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:41,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:41,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:41,228 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:41,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 00:12:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:41,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:42,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 00:12:42,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:12:58,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 00:13:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:41,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2024-12-06 00:13:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2024-12-06 00:13:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 00:13:41,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:41,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:41,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:41,079 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:41,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 00:13:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:41,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:41,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:13:41,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:13:43,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 00:14:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 63 states and 66 transitions. [2024-12-06 00:14:03,858 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2024-12-06 00:14:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 00:14:03,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:03,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:03,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:03,860 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:03,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 00:14:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:04,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:04,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 00:14:04,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:04,844 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:14:04,845 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:14:04,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 00:14:04,860 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 00:14:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:14:08,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 00:14:27,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 62 states and 65 transitions. [2024-12-06 00:14:27,585 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-12-06 00:14:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 00:14:27,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:27,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:27,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:27,587 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:27,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 00:14:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:34,457 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:14:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:14:50,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 00:14:50,832 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:14:50,837 INFO L158 Benchmark]: Toolchain (without parser) took 349882.17ms. Allocated memory was 92.3MB in the beginning and 243.3MB in the end (delta: 151.0MB). Free memory was 68.7MB in the beginning and 146.6MB in the end (delta: -77.9MB). Peak memory consumption was 200.0MB. Max. memory is 16.1GB. [2024-12-06 00:14:50,837 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:50,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.67ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 41.6MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:14:50,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.81ms. Allocated memory is still 92.3MB. Free memory was 41.5MB in the beginning and 69.1MB in the end (delta: -27.6MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 00:14:50,839 INFO L158 Benchmark]: Boogie Preprocessor took 31.73ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:50,839 INFO L158 Benchmark]: RCFGBuilder took 567.59ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 61.4MB in the end (delta: 5.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-12-06 00:14:50,840 INFO L158 Benchmark]: CodeCheck took 348776.16ms. Allocated memory was 92.3MB in the beginning and 243.3MB in the end (delta: 151.0MB). Free memory was 61.4MB in the beginning and 146.6MB in the end (delta: -85.3MB). Peak memory consumption was 193.9MB. Max. memory is 16.1GB. [2024-12-06 00:14:50,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.67ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 41.6MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.81ms. Allocated memory is still 92.3MB. Free memory was 41.5MB in the beginning and 69.1MB in the end (delta: -27.6MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.73ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 567.59ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 61.4MB in the end (delta: 5.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * CodeCheck took 348776.16ms. Allocated memory was 92.3MB in the beginning and 243.3MB in the end (delta: 151.0MB). Free memory was 61.4MB in the beginning and 146.6MB in the end (delta: -85.3MB). Peak memory consumption was 193.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:14:50,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038690b6-d417-49f5-9ef8-12594fb7830c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown