./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.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_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/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_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/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_2a583499-7668-43d9-a2d8-041d32be4111/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 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:22,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:22,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:25:22,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:25:22,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:25:22,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:22,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:22,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:22,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:22,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:22,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:22,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:22,665 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:25:22,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:25:22,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:25:22,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:22,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:22,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:22,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:22,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:22,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:25:22,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:22,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:22,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:22,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:22,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:22,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:22,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:22,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:22,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:22,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:22,670 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:25:22,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:25:22,670 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_2a583499-7668-43d9-a2d8-041d32be4111/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 -> 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 [2024-11-13 23:25:23,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:23,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:23,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:23,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:23,029 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:23,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c Unable to find full path for "g++" [2024-11-13 23:25:25,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:25,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:25,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-11-13 23:25:25,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/data/f6b29fdbc/21e5cfd8b9774d578ad0a6a992cfc72e/FLAGfec66fecb [2024-11-13 23:25:25,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/data/f6b29fdbc/21e5cfd8b9774d578ad0a6a992cfc72e [2024-11-13 23:25:25,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:25,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:25,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:25,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:25,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:25,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4512e7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25, skipping insertion in model container [2024-11-13 23:25:25,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:25,801 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_2a583499-7668-43d9-a2d8-041d32be4111/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2024-11-13 23:25:25,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:25,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:25,859 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_2a583499-7668-43d9-a2d8-041d32be4111/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2024-11-13 23:25:25,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:25,889 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:25,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25 WrapperNode [2024-11-13 23:25:25,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:25,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:25,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:25,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:25,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,932 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-13 23:25:25,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:25,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:25,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:25,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:25,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:25,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:25,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:25,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:25,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:25" (1/1) ... [2024-11-13 23:25:25,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:26,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:26,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:26,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:25:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:25:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:26,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:25:26,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:25:26,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:26,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:26,314 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:26,317 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:26,388 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:26,389 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:25:26,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:26 BoogieIcfgContainer [2024-11-13 23:25:26,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:26,390 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:26,390 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:26,404 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:26,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:26" (1/1) ... [2024-11-13 23:25:26,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 23:25:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 23:25:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:25:26,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:26,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:26,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:26,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:26,848 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 23:25:27,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 23:25:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 23:25:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:27,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:27,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:27,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:25:27,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:27,155 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 23:25:27,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:27,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 23:25:27,236 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 23:25:27,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:25:27,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:27,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:27,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:25:27,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2024-11-13 23:25:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2024-11-13 23:25:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:25:28,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:28,466 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 23:25:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2024-11-13 23:25:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 23:25:28,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:25:28,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:28,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:28,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:25:28,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:25:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 48 transitions. [2024-11-13 23:25:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-13 23:25:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:25:29,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:30,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 23:25:30,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2024-11-13 23:25:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-13 23:25:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:25:30,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:30,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 23:25:30,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 54 transitions. [2024-11-13 23:25:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-13 23:25:30,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:25:30,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:30,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:31,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:25:31,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:25:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 68 transitions. [2024-11-13 23:25:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-13 23:25:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:25:32,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:32,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:32,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:25:32,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:25:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 72 transitions. [2024-11-13 23:25:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-13 23:25:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:25:33,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:33,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:33,328 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:25:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 74 transitions. [2024-11-13 23:25:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-11-13 23:25:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:25:33,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:33,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:33,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 23:25:33,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:34,007 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:25:35,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 88 transitions. [2024-11-13 23:25:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-11-13 23:25:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:25:35,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:35,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 23:25:35,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 23:25:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 92 transitions. [2024-11-13 23:25:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2024-11-13 23:25:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:25:36,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:36,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 23:25:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 94 transitions. [2024-11-13 23:25:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-11-13 23:25:36,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:25:36,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:36,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:36,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:25:36,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 23:25:38,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 108 transitions. [2024-11-13 23:25:38,534 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2024-11-13 23:25:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:25:38,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:38,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:38,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:25:38,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 23:25:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:39,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 112 transitions. [2024-11-13 23:25:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2024-11-13 23:25:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 23:25:39,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:39,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 23:25:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 114 transitions. [2024-11-13 23:25:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2024-11-13 23:25:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 23:25:39,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:39,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:39,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 23:25:39,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:25:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 128 transitions. [2024-11-13 23:25:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2024-11-13 23:25:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:25:42,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:42,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:25:42,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 22 proven. 71 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 23:25:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 132 transitions. [2024-11-13 23:25:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2024-11-13 23:25:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:25:44,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:44,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 23:25:44,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 134 transitions. [2024-11-13 23:25:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2024-11-13 23:25:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 23:25:44,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:44,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 23:25:44,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 23:25:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 148 transitions. [2024-11-13 23:25:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 148 transitions. [2024-11-13 23:25:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:25:47,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:47,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:47,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:25:47,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 23:25:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 152 transitions. [2024-11-13 23:25:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2024-11-13 23:25:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 23:25:49,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:49,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 23:25:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 154 transitions. [2024-11-13 23:25:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 154 transitions. [2024-11-13 23:25:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:25:50,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:50,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:50,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 23:25:50,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 36 proven. 85 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 23:25:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 90 states and 168 transitions. [2024-11-13 23:25:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 168 transitions. [2024-11-13 23:25:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 23:25:54,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:54,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:54,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 23:25:54,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 23:25:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 172 transitions. [2024-11-13 23:25:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2024-11-13 23:25:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 23:25:57,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-13 23:25:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 174 transitions. [2024-11-13 23:25:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 174 transitions. [2024-11-13 23:25:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:25:57,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:57,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:57,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 23:25:57,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 17 proven. 133 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 23:26:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 100 states and 188 transitions. [2024-11-13 23:26:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 188 transitions. [2024-11-13 23:26:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 23:26:01,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:01,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:26:01,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 23:26:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 102 states and 192 transitions. [2024-11-13 23:26:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2024-11-13 23:26:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 23:26:03,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:03,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-13 23:26:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 103 states and 194 transitions. [2024-11-13 23:26:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 194 transitions. [2024-11-13 23:26:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 23:26:04,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:04,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:04,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 23:26:04,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 23:26:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 110 states and 208 transitions. [2024-11-13 23:26:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 208 transitions. [2024-11-13 23:26:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 23:26:07,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:07,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 23:26:07,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 42 proven. 181 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 23:26:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 112 states and 212 transitions. [2024-11-13 23:26:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2024-11-13 23:26:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 23:26:09,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:09,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-13 23:26:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 113 states and 214 transitions. [2024-11-13 23:26:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 214 transitions. [2024-11-13 23:26:10,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 23:26:10,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:10,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:10,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 23:26:10,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 23:26:14,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 120 states and 228 transitions. [2024-11-13 23:26:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 228 transitions. [2024-11-13 23:26:14,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 23:26:14,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:14,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:14,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 23:26:14,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 51 proven. 188 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 23:26:16,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:16,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 122 states and 232 transitions. [2024-11-13 23:26:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 232 transitions. [2024-11-13 23:26:16,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 23:26:16,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:16,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-13 23:26:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 123 states and 234 transitions. [2024-11-13 23:26:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 234 transitions. [2024-11-13 23:26:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 23:26:17,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:17,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:17,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-13 23:26:17,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 23 proven. 232 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 23:26:21,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:21,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 248 transitions. [2024-11-13 23:26:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 248 transitions. [2024-11-13 23:26:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 23:26:21,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:21,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:21,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-13 23:26:21,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 69 proven. 258 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-13 23:26:22,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 252 transitions. [2024-11-13 23:26:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2024-11-13 23:26:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 23:26:22,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:22,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-13 23:26:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 254 transitions. [2024-11-13 23:26:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 254 transitions. [2024-11-13 23:26:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 23:26:23,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:23,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:23,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-13 23:26:23,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 26 proven. 234 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 23:26:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 140 states and 268 transitions. [2024-11-13 23:26:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2024-11-13 23:26:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 23:26:28,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:28,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:28,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 23:26:28,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-13 23:26:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 272 transitions. [2024-11-13 23:26:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2024-11-13 23:26:30,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 23:26:30,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-11-13 23:26:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 143 states and 274 transitions. [2024-11-13 23:26:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 274 transitions. [2024-11-13 23:26:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 23:26:31,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:31,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:31,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-13 23:26:31,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 27 proven. 313 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 23:26:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 150 states and 288 transitions. [2024-11-13 23:26:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 288 transitions. [2024-11-13 23:26:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 23:26:36,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:36,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:36,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 23:26:36,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 62 proven. 339 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-13 23:26:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 152 states and 292 transitions. [2024-11-13 23:26:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 292 transitions. [2024-11-13 23:26:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 23:26:39,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:39,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2024-11-13 23:26:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 294 transitions. [2024-11-13 23:26:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 294 transitions. [2024-11-13 23:26:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 23:26:40,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:40,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:40,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 23:26:40,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 30 proven. 315 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 23:26:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 160 states and 308 transitions. [2024-11-13 23:26:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 308 transitions. [2024-11-13 23:26:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 23:26:45,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:45,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:46,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 23:26:46,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 106 proven. 347 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-13 23:26:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 162 states and 312 transitions. [2024-11-13 23:26:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 312 transitions. [2024-11-13 23:26:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 23:26:49,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:49,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-11-13 23:26:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 314 transitions. [2024-11-13 23:26:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 314 transitions. [2024-11-13 23:26:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 23:26:50,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:50,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:50,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 23:26:50,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 32 proven. 360 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-13 23:26:57,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 170 states and 328 transitions. [2024-11-13 23:26:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 328 transitions. [2024-11-13 23:26:57,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 23:26:57,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:57,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:57,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 23:26:57,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 72 proven. 436 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-13 23:27:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 172 states and 332 transitions. [2024-11-13 23:27:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 332 transitions. [2024-11-13 23:27:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 23:27:01,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:01,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:27:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 93 proven. 4 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-11-13 23:27:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 173 states and 334 transitions. [2024-11-13 23:27:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 334 transitions. [2024-11-13 23:27:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 23:27:02,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:02,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:27:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:27:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:02,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-13 23:27:02,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:03,397 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 34 proven. 408 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 23:27:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 180 states and 348 transitions. [2024-11-13 23:27:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 348 transitions. [2024-11-13 23:27:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 23:27:07,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:07,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:27:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:27:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:27:18,067 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 23:27:18,072 INFO L158 Benchmark]: Toolchain (without parser) took 112523.63ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 94.2MB in the beginning and 308.3MB in the end (delta: -214.0MB). Peak memory consumption was 245.0MB. Max. memory is 16.1GB. [2024-11-13 23:27:18,073 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:27:18,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.92ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:27:18,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.00ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:27:18,074 INFO L158 Benchmark]: Boogie Preprocessor took 34.64ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.1MB in the end (delta: 704.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:27:18,074 INFO L158 Benchmark]: RCFGBuilder took 418.60ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 69.1MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:27:18,075 INFO L158 Benchmark]: CodeCheck took 111680.94ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 69.1MB in the beginning and 308.3MB in the end (delta: -239.1MB). Peak memory consumption was 219.8MB. Max. memory is 16.1GB. [2024-11-13 23:27:18,080 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 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.92ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.00ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.64ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.1MB in the end (delta: 704.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.60ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 69.1MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 111680.94ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 69.1MB in the beginning and 308.3MB in the end (delta: -239.1MB). Peak memory consumption was 219.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:27:18,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/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_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/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_2a583499-7668-43d9-a2d8-041d32be4111/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 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:27:21,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:27:21,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:27:21,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:27:21,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:27:21,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:27:21,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:27:21,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:27:21,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:27:21,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:27:21,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:27:21,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:27:21,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:27:21,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:27:21,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:27:21,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:27:21,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:27:21,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:27:21,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:27:21,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:27:21,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:27:21,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:27:21,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:27:21,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:27:21,204 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:27:21,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:27:21,204 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:21,204 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:27:21,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:27:21,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:27:21,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:27:21,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:27:21,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:27:21,205 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:27:21,205 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:21,205 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:27:21,205 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_2a583499-7668-43d9-a2d8-041d32be4111/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 -> 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 [2024-11-13 23:27:21,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:27:21,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:27:21,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:27:21,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:27:21,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:27:21,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c Unable to find full path for "g++" [2024-11-13 23:27:23,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:27:23,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:27:23,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-11-13 23:27:23,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/data/4885bfcd1/74010147512f43e3aa9dddbd8ab10b52/FLAG74bce4272 [2024-11-13 23:27:24,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/data/4885bfcd1/74010147512f43e3aa9dddbd8ab10b52 [2024-11-13 23:27:24,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:27:24,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:27:24,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:27:24,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:27:24,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:27:24,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c83f13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24, skipping insertion in model container [2024-11-13 23:27:24,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:27:24,436 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_2a583499-7668-43d9-a2d8-041d32be4111/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2024-11-13 23:27:24,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:27:24,465 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:27:24,474 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_2a583499-7668-43d9-a2d8-041d32be4111/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2024-11-13 23:27:24,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:27:24,500 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:27:24,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24 WrapperNode [2024-11-13 23:27:24,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:27:24,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:27:24,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:27:24,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:27:24,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,530 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 23:27:24,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:27:24,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:27:24,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:27:24,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:27:24,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:27:24,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:27:24,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:27:24,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:27:24,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:27:24,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:27:24,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:27:24,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:27:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:27:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:27:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:27:24,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:27:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:27:24,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:27:24,684 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:27:24,686 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:27:24,933 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:27:24,933 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:27:25,013 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:27:25,015 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:27:25,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:27:25 BoogieIcfgContainer [2024-11-13 23:27:25,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:27:25,016 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:27:25,016 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:27:25,029 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:27:25,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:27:25" (1/1) ... [2024-11-13 23:27:25,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 23:27:25,089 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 23:27:25,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:27:25,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:25,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:25,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:25,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:25,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:27:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:27:25,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:25,789 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 23:27:25,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:27:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 23:27:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 23:27:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:27,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:27,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:27,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:27,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:27,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:27:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:27:27,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:28,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:27:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-13 23:27:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-13 23:27:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:27:32,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:32,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:32,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:32,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:32,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:27:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:32,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:33,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:27:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2024-11-13 23:27:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-11-13 23:27:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:27:35,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:35,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:35,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:35,632 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:35,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:27:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:35,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:35,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:27:35,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:49,680 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 23:27:49,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:28:15,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:28:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-11-13 23:28:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-13 23:28:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:28:16,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:16,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:16,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:16,662 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:16,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:28:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:17,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:17,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:28:17,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:20,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:28:35,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:28:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:36,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2024-11-13 23:28:36,149 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2024-11-13 23:28:36,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:28:36,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:36,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:36,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:36,153 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:36,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:28:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:37,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:37,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:37,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:38,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2024-11-13 23:28:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2024-11-13 23:28:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:28:45,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:45,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:45,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:45,692 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:45,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:28:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:45,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:45,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:28:45,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 23:28:49,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 23:29:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2024-11-13 23:29:03,865 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2024-11-13 23:29:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:29:03,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:03,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:03,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:03,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:03,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:29:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:04,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:05,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:29:05,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:29:08,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 23:29:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2024-11-13 23:29:22,617 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2024-11-13 23:29:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:29:22,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:22,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:22,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:22,622 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:22,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:29:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:23,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:24,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 23:29:24,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:29:25,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 23:29:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 47 states and 94 transitions. [2024-11-13 23:29:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-11-13 23:29:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:29:34,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:34,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:34,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:34,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:34,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:29:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:35,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:29:35,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:38,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 23:29:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-11-13 23:29:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-11-13 23:29:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:29:56,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:56,696 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:56,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:29:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:57,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:29:58,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 23:30:02,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:30:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-11-13 23:30:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-11-13 23:30:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:30:18,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:18,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:18,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:18,050 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:18,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:30:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:19,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:20,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:30:20,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:22,119 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:30:22,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 23:30:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2024-11-13 23:30:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2024-11-13 23:30:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:30:32,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:32,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:32,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:32,137 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:32,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:30:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:32,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:32,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:30:32,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 23:30:35,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 23:30:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2024-11-13 23:30:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2024-11-13 23:30:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:30:54,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:54,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:54,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:54,950 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:54,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:30:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:56,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:57,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:30:57,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 17 proven. 41 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:31:07,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:31:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 60 states and 128 transitions. [2024-11-13 23:31:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2024-11-13 23:31:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:31:32,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:32,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:32,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:32,960 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:32,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:31:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:34,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:35,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 23:31:35,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:31:37,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 134 transitions. [2024-11-13 23:31:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 134 transitions. [2024-11-13 23:31:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 23:31:50,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:50,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:50,882 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:50,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:31:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:50,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:51,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:31:51,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 23:31:54,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:32:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 64 states and 137 transitions. [2024-11-13 23:32:13,238 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2024-11-13 23:32:13,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 23:32:13,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:13,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:13,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:13,246 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:13,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:32:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:14,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:15,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 23:32:15,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 23:32:24,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 23:32:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 148 transitions. [2024-11-13 23:32:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2024-11-13 23:32:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:32:51,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:51,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:51,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:51,843 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:51,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:32:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:53,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:54,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 23:32:54,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 23:32:57,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 23:33:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 71 states and 154 transitions. [2024-11-13 23:33:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2024-11-13 23:33:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:33:10,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:10,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:10,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:10,751 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:10,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:33:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:10,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:11,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:33:11,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 23:33:14,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 23:33:37,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:37,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 72 states and 157 transitions. [2024-11-13 23:33:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 157 transitions. [2024-11-13 23:33:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 23:33:37,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:37,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:37,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:37,314 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:37,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:33:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:39,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:40,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:33:40,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 82 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 23:33:49,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:34:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2024-11-13 23:34:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2024-11-13 23:34:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:34:21,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:21,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:21,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:21,961 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:21,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:34:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:24,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:25,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 23:34:25,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 23:34:29,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 79 states and 174 transitions. [2024-11-13 23:34:46,193 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 174 transitions. [2024-11-13 23:34:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 23:34:46,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:46,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:46,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:46,196 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:46,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:34:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:46,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:47,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:34:47,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:51,119 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 23:34:51,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 23:35:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 80 states and 177 transitions. [2024-11-13 23:35:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 177 transitions. [2024-11-13 23:35:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:35:14,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:14,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:14,952 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:14,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:35:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:17,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:18,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:35:18,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 23:35:26,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 84 states and 188 transitions. [2024-11-13 23:36:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 188 transitions. [2024-11-13 23:36:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 23:36:03,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:03,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:03,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:03,331 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:03,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:36:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:05,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:06,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:36:06,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 17 proven. 135 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 23:36:12,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 23:36:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 87 states and 194 transitions. [2024-11-13 23:36:32,693 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 194 transitions. [2024-11-13 23:36:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 23:36:32,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:32,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:32,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:32,700 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:32,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:36:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:32,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:33,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:36:33,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-13 23:36:37,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:04,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 88 states and 197 transitions. [2024-11-13 23:37:04,664 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 197 transitions. [2024-11-13 23:37:04,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:37:04,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:04,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:04,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:04,667 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:04,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:37:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:07,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:08,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:37:08,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 17 proven. 133 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 23:37:29,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 23:38:22,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:38:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 92 states and 208 transitions. [2024-11-13 23:38:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 208 transitions. [2024-11-13 23:38:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 23:38:23,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:23,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:23,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:23,836 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:23,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:38:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:26,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:27,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 23:38:27,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 19 proven. 167 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-13 23:38:33,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:38:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 95 states and 214 transitions. [2024-11-13 23:38:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 214 transitions. [2024-11-13 23:38:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 23:38:57,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:57,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:57,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:57,401 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:57,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:38:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:57,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:58,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:38:58,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-13 23:39:02,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 23:39:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:34,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2024-11-13 23:39:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2024-11-13 23:39:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 23:39:34,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:34,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:34,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:34,938 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:34,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:39:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:38,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:40,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:39:40,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 19 proven. 163 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 23:39:54,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a583499-7668-43d9-a2d8-041d32be4111/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0