./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:01:46,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:01:46,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:01:46,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:01:46,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:01:46,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:01:46,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:01:46,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:01:46,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:01:46,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:01:46,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:01:46,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:01:46,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:01:46,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:01:46,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:01:46,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:01:46,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:01:46,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:01:46,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:01:46,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:01:46,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:01:46,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:01:46,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:01:46,352 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:01:46,352 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:01:46,352 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:01:46,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:01:46,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:46,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:01:46,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:01:46,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:01:46,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:01:46,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:01:46,353 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_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2024-11-13 22:01:46,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:01:46,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:01:46,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:01:46,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:01:46,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:01:46,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c Unable to find full path for "g++" [2024-11-13 22:01:48,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:01:49,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:01:49,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-11-13 22:01:49,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/data/4348ba055/dfba7454230a4487ada103abf031ae2d/FLAGb23cee89a [2024-11-13 22:01:49,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/data/4348ba055/dfba7454230a4487ada103abf031ae2d [2024-11-13 22:01:49,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:01:49,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:01:49,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:49,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:01:49,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:01:49,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606f892c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49, skipping insertion in model container [2024-11-13 22:01:49,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:01:49,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-11-13 22:01:49,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:49,261 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:01:49,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-11-13 22:01:49,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:49,297 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:01:49,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49 WrapperNode [2024-11-13 22:01:49,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:49,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:49,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:01:49,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:01:49,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,338 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 22:01:49,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:49,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:01:49,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:01:49,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:01:49,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:01:49,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:01:49,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:01:49,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:01:49,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:49,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:01:49,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:01:49,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:01:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:01:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:01:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:01:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:01:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:01:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:01:49,585 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:01:49,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:01:49,866 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:01:49,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:01:49,984 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:01:49,985 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:01:49,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:49 BoogieIcfgContainer [2024-11-13 22:01:49,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:01:49,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:01:49,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:01:50,004 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:01:50,005 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:49" (1/1) ... [2024-11-13 22:01:50,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:01:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 22:01:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 22:01:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:01:50,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:50,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 22:01:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 22:01:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:01:50,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:50,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 22:01:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 22:01:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:01:50,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:50,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 22:01:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 22:01:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:01:51,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:51,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-13 22:01:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-13 22:01:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:01:51,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:52,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:01:52,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:01:53,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:53,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-13 22:01:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-13 22:01:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:01:53,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:53,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:53,544 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:01:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-13 22:01:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-13 22:01:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:01:54,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:54,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:54,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:01:54,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:01:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:55,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2024-11-13 22:01:55,747 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2024-11-13 22:01:55,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:01:55,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:55,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:01:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2024-11-13 22:01:56,514 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2024-11-13 22:01:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:01:56,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:56,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:02:19,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:02:29,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:02:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:50,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 117 transitions. [2024-11-13 22:02:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2024-11-13 22:02:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:02:50,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:50,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:02:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 125 transitions. [2024-11-13 22:02:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions. [2024-11-13 22:02:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:02:51,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:51,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:02:51,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:02:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 143 transitions. [2024-11-13 22:02:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 143 transitions. [2024-11-13 22:02:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:02:55,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:55,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:55,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:02:55,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:02:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 152 transitions. [2024-11-13 22:02:57,040 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 152 transitions. [2024-11-13 22:02:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:02:57,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:57,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:57,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:02:57,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:02:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:57,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 74 states and 162 transitions. [2024-11-13 22:02:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 162 transitions. [2024-11-13 22:02:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:02:57,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:57,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:02:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 79 states and 178 transitions. [2024-11-13 22:02:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 178 transitions. [2024-11-13 22:02:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:02:59,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:59,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:00,376 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:03:03,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 84 states and 191 transitions. [2024-11-13 22:03:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 191 transitions. [2024-11-13 22:03:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:03:03,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:03:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 91 states and 212 transitions. [2024-11-13 22:03:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 212 transitions. [2024-11-13 22:03:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:03:08,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:08,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:08,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:03:08,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:03:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 97 states and 233 transitions. [2024-11-13 22:03:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 233 transitions. [2024-11-13 22:03:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:03:10,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:10,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:03:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 101 states and 247 transitions. [2024-11-13 22:03:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 247 transitions. [2024-11-13 22:03:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:03:13,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:13,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:03:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 103 states and 251 transitions. [2024-11-13 22:03:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 251 transitions. [2024-11-13 22:03:14,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:03:14,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:14,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:14,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:03:14,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:46,503 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:03:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 22:05:17,090 WARN L286 SmtUtils]: Spent 11.20s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:05:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 106 states and 255 transitions. [2024-11-13 22:05:17,101 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 255 transitions. [2024-11-13 22:05:17,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:05:17,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:17,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:17,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:05:17,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 22:05:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 111 states and 265 transitions. [2024-11-13 22:05:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 265 transitions. [2024-11-13 22:05:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:05:33,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:05:36,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:36,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 113 states and 277 transitions. [2024-11-13 22:05:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 277 transitions. [2024-11-13 22:05:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:05:36,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:36,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 22:05:51,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:06:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 117 states and 288 transitions. [2024-11-13 22:06:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 288 transitions. [2024-11-13 22:06:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:06:24,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:24,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 22:06:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 119 states and 289 transitions. [2024-11-13 22:06:25,495 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 289 transitions. [2024-11-13 22:06:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:06:25,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:25,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:06:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:25,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:06:25,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 22:06:46,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:06:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 125 states and 311 transitions. [2024-11-13 22:06:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 311 transitions. [2024-11-13 22:06:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:06:46,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:46,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:06:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:46,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:06:46,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:46,612 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 22:06:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:48,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 127 states and 312 transitions. [2024-11-13 22:06:48,527 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 312 transitions. [2024-11-13 22:06:48,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:06:48,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:48,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:06:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:48,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:06:48,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 22:06:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 130 states and 316 transitions. [2024-11-13 22:06:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 316 transitions. [2024-11-13 22:06:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:06:52,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:52,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:06:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:52,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:06:52,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 22:06:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 132 states and 322 transitions. [2024-11-13 22:06:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 322 transitions. [2024-11-13 22:06:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:06:53,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:54,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 22:07:08,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 137 states and 347 transitions. [2024-11-13 22:07:08,168 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 347 transitions. [2024-11-13 22:07:08,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:07:08,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:08,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 22:07:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 142 states and 373 transitions. [2024-11-13 22:07:16,236 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 373 transitions. [2024-11-13 22:07:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:07:16,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:16,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:07:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:16,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 22:07:16,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 42 proven. 31 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 22:09:40,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:09:41,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 151 states and 408 transitions. [2024-11-13 22:09:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 408 transitions. [2024-11-13 22:09:41,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:09:41,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:41,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:09:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:41,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 22:09:41,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 51 proven. 22 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 22:10:13,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:10:23,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:10:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 157 states and 431 transitions. [2024-11-13 22:10:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 431 transitions. [2024-11-13 22:10:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:10:23,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:23,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:33,861 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) [2024-11-13 22:10:33,866 INFO L158 Benchmark]: Toolchain (without parser) took 524820.77ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 93.1MB in the beginning and 118.7MB in the end (delta: -25.5MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-11-13 22:10:33,866 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:10:33,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.16ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:10:33,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.81ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:10:33,867 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.6MB in the end (delta: 788.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:10:33,868 INFO L158 Benchmark]: RCFGBuilder took 624.04ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 66.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:10:33,868 INFO L158 Benchmark]: CodeCheck took 523877.16ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 66.0MB in the beginning and 118.7MB in the end (delta: -52.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-13 22:10:33,870 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.16ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.81ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.6MB in the end (delta: 788.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 624.04ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 66.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 523877.16ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 66.0MB in the beginning and 118.7MB in the end (delta: -52.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:10:34,079 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:10:34,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:10:36,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:10:36,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:10:36,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:10:36,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:10:36,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:10:36,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:10:36,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:10:36,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:10:36,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:10:36,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:10:36,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:10:36,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:10:36,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:10:36,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:10:36,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:10:36,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:10:36,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:10:36,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:10:36,777 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:10:36,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:10:36,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:10:36,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:10:36,777 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:10:36,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:10:36,778 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:10:36,778 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:36,778 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:10:36,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:10:36,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:10:36,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:10:36,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:10:36,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:10:36,779 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:10:36,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:36,779 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:10:36,779 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_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2024-11-13 22:10:37,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:10:37,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:10:37,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:10:37,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:10:37,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:10:37,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c Unable to find full path for "g++" [2024-11-13 22:10:39,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:10:39,344 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:10:39,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-11-13 22:10:39,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/data/ff2f9119a/45e8713e32874234a6701a913a8df15e/FLAGfa062733d [2024-11-13 22:10:39,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/data/ff2f9119a/45e8713e32874234a6701a913a8df15e [2024-11-13 22:10:39,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:10:39,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:10:39,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:10:39,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:10:39,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:10:39,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7126e804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39, skipping insertion in model container [2024-11-13 22:10:39,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:10:39,594 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-11-13 22:10:39,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:10:39,642 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:10:39,655 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-11-13 22:10:39,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:10:39,685 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:10:39,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39 WrapperNode [2024-11-13 22:10:39,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:10:39,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:10:39,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:10:39,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:10:39,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,723 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 22:10:39,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:10:39,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:10:39,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:10:39,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:10:39,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:10:39,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:10:39,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:10:39,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:10:39,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:39" (1/1) ... [2024-11-13 22:10:39,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:10:39,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:10:39,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:10:39,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:10:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:10:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:10:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:10:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:10:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:10:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:10:39,926 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:10:39,928 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:10:40,165 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:10:40,167 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:10:40,266 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:10:40,268 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:10:40,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:10:40 BoogieIcfgContainer [2024-11-13 22:10:40,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:10:40,272 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:10:40,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:10:40,284 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:10:40,284 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:10:40" (1/1) ... [2024-11-13 22:10:40,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:10:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 22:10:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 22:10:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:10:40,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:40,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:40,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:40,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:40,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:10:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:40,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:40,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:10:40,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:40,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:10:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 22:10:40,599 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 22:10:40,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:10:40,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:40,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:40,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:40,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:40,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:10:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:40,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:40,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:10:40,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:40,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:10:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 22:10:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 22:10:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:10:40,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:40,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:40,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:40,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:40,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:10:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:41,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:41,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:10:41,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:41,161 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:10:41,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:10:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 22:10:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 22:10:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:10:41,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:41,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:41,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:41,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:10:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:41,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:41,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:10:41,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:41,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:10:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:42,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-11-13 22:10:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-13 22:10:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:10:42,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:42,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:42,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:42,263 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:42,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:10:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:42,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:42,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:10:42,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:10:42,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:10:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:44,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-13 22:10:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-13 22:10:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:10:44,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:44,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:44,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:44,439 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:44,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:10:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:44,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:44,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:10:44,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:10:44,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 22:10:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:47,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2024-11-13 22:10:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2024-11-13 22:10:47,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:10:47,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:47,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:47,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:47,252 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:47,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:10:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:47,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:47,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:10:47,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:10:47,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:10:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2024-11-13 22:10:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2024-11-13 22:10:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:10:48,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:48,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:48,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:48,803 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:48,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:10:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:48,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:48,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:10:48,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:10:49,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:10:49,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 58 states and 134 transitions. [2024-11-13 22:10:49,790 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2024-11-13 22:10:49,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:10:49,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:49,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:49,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:49,797 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:49,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:10:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:49,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:49,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:10:49,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:10:51,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:11:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2024-11-13 22:11:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2024-11-13 22:11:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:11:02,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:02,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:02,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:02,339 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:02,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:11:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:02,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:02,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:11:02,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:11:02,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:11:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:03,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 65 states and 149 transitions. [2024-11-13 22:11:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 149 transitions. [2024-11-13 22:11:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:11:03,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:03,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:03,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:03,388 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:03,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:11:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:03,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:03,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:11:03,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:11:04,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:11:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 71 states and 172 transitions. [2024-11-13 22:11:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 172 transitions. [2024-11-13 22:11:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:11:10,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:10,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:10,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:10,555 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:10,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:11:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:10,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:10,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:11:10,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:11:10,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:11:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 74 states and 187 transitions. [2024-11-13 22:11:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 187 transitions. [2024-11-13 22:11:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:11:13,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:13,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:13,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:13,168 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:13,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:11:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:13,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:13,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:11:13,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:11:13,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:11:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 79 states and 202 transitions. [2024-11-13 22:11:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 202 transitions. [2024-11-13 22:11:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:11:20,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:20,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:20,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:20,153 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:20,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:11:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:20,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:20,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:11:20,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:11:20,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 22:11:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 211 transitions. [2024-11-13 22:11:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 211 transitions. [2024-11-13 22:11:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:11:22,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:22,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:22,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:22,748 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:22,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:11:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:22,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:22,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:11:22,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:23,658 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:11:23,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:11:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:32,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 92 states and 276 transitions. [2024-11-13 22:11:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 276 transitions. [2024-11-13 22:11:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:11:32,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:32,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:32,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:32,643 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:32,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:11:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:32,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:32,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:11:32,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-13 22:11:33,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:11:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:35,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 97 states and 289 transitions. [2024-11-13 22:11:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 289 transitions. [2024-11-13 22:11:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:11:36,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:36,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:36,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:36,006 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:36,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:11:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:36,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:36,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:11:36,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:36,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:11:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 99 states and 296 transitions. [2024-11-13 22:11:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 296 transitions. [2024-11-13 22:11:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:11:39,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:39,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:39,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:39,178 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:39,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:11:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:39,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:39,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:11:39,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 23 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 22:11:39,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:11:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 102 states and 302 transitions. [2024-11-13 22:11:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 302 transitions. [2024-11-13 22:11:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:11:49,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:49,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:49,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:49,283 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:49,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:11:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:49,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:49,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:11:49,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 22:11:49,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-13 22:11:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:51,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 104 states and 303 transitions. [2024-11-13 22:11:51,079 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 303 transitions. [2024-11-13 22:11:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:11:51,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:51,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:51,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:51,084 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:51,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:11:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:51,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:51,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:11:51,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 22:11:51,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:12:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 110 states and 334 transitions. [2024-11-13 22:12:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 334 transitions. [2024-11-13 22:12:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:12:02,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:02,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:02,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:02,432 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:02,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:12:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:02,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:12:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:02,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:12:02,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:12:03,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:12:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 115 states and 352 transitions. [2024-11-13 22:12:19,658 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 352 transitions. [2024-11-13 22:12:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:12:19,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:19,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:19,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:19,661 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:19,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:12:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:19,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:12:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:20,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:12:20,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 25 proven. 45 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 22:12:22,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 22:12:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 129 states and 398 transitions. [2024-11-13 22:12:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 398 transitions. [2024-11-13 22:12:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:12:48,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:48,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:48,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:48,835 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:48,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:12:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:49,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:12:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:49,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:12:49,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 22:12:51,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 22:13:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 132 states and 412 transitions. [2024-11-13 22:13:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 412 transitions. [2024-11-13 22:13:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:13:01,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:01,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:01,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:01,450 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:01,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:13:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:01,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:01,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:13:01,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 22:13:01,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:13:03,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 134 states and 422 transitions. [2024-11-13 22:13:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 422 transitions. [2024-11-13 22:13:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:13:03,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:03,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:03,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:03,706 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:03,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:13:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:03,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:03,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:13:03,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:13:04,871 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:13:04,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:13:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:16,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 142 states and 487 transitions. [2024-11-13 22:13:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 487 transitions. [2024-11-13 22:13:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:13:16,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:16,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:16,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:16,253 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:16,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:13:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:16,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:16,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:13:16,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 22:13:16,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 22:13:22,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 145 states and 497 transitions. [2024-11-13 22:13:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 497 transitions. [2024-11-13 22:13:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 22:13:22,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:22,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:22,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:22,293 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:22,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:13:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:22,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:22,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:13:22,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:13:23,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-13 22:13:28,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 147 states and 507 transitions. [2024-11-13 22:13:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 507 transitions. [2024-11-13 22:13:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 22:13:28,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:28,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:28,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:28,642 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:28,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:13:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:28,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:28,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:13:28,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 41 proven. 35 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-13 22:13:28,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 22:13:41,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:41,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 150 states and 513 transitions. [2024-11-13 22:13:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 513 transitions. [2024-11-13 22:13:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 22:13:41,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:41,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:41,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:41,775 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:41,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:13:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:41,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:41,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:13:41,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-13 22:13:42,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 22:13:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 152 states and 514 transitions. [2024-11-13 22:13:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 514 transitions. [2024-11-13 22:13:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 22:13:44,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:44,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:44,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:44,967 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:44,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 22:13:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:45,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:45,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:13:45,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 67 proven. 36 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-13 22:13:50,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 22:14:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 165 states and 572 transitions. [2024-11-13 22:14:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 572 transitions. [2024-11-13 22:14:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 22:14:12,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:12,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:12,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:12,224 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:12,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 22:14:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:12,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:12,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:14:12,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 22:14:13,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 22:14:18,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2024-11-13 22:14:18,911 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2024-11-13 22:14:18,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 22:14:18,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:18,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:18,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:18,916 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:18,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 22:14:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:19,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:19,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 22:14:19,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 22:14:20,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 22:14:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 172 states and 612 transitions. [2024-11-13 22:14:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 612 transitions. [2024-11-13 22:14:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 22:14:39,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:39,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:39,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:39,297 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:39,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 22:14:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:39,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:39,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:14:39,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 22:14:41,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 22:14:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 174 states and 618 transitions. [2024-11-13 22:14:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 618 transitions. [2024-11-13 22:14:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 22:14:49,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:49,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:49,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:49,143 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:49,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 22:14:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:49,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:49,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:14:49,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 41 proven. 56 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 22:14:53,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 22:15:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 188 states and 670 transitions. [2024-11-13 22:15:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 670 transitions. [2024-11-13 22:15:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 22:15:34,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:34,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:34,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:34,812 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:34,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 22:15:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:35,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:35,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:15:35,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:15:37,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 22:16:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 197 states and 770 transitions. [2024-11-13 22:16:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 770 transitions. [2024-11-13 22:16:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 22:16:08,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:08,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:16:08,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:16:08,706 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:16:08,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 22:16:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:08,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:16:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:09,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:16:09,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 41 proven. 56 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 22:16:10,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26704681-947c-41b7-967c-ae259bf58a2a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0