./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/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_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ff8320881bb5cbc5b52aa5a0a8dd146a23603ac32480303b1494fa48d4d27d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:27:06,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:27:06,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:27:06,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:27:06,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:27:06,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:27:06,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:27:06,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:27:06,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:27:06,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:27:06,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:27:06,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:27:06,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:27:06,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:27:06,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:27:06,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:27:06,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:27:06,845 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:27:06,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:27:06,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:27:06,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:27:06,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:27:06,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:27:06,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:27:06,846 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:27:06,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:27:06,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:06,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:27:06,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:27:06,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:27:06,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:27:06,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:27:06,847 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_f2733a39-977c-48a3-99d9-5be64da922bd/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff8320881bb5cbc5b52aa5a0a8dd146a23603ac32480303b1494fa48d4d27d8 [2024-11-13 22:27:07,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:27:07,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:27:07,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:27:07,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:27:07,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:27:07,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/busybox-1.22.0/hostid.i Unable to find full path for "g++" [2024-11-13 22:27:09,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:27:09,581 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:27:09,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/sv-benchmarks/c/busybox-1.22.0/hostid.i [2024-11-13 22:27:09,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/data/a189e659c/817688630e7d4048898c985130a5995d/FLAGef6b5f3bf [2024-11-13 22:27:09,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/data/a189e659c/817688630e7d4048898c985130a5995d [2024-11-13 22:27:09,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:27:09,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:27:09,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:09,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:27:09,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:27:09,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:09" (1/1) ... [2024-11-13 22:27:09,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bcac76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:09, skipping insertion in model container [2024-11-13 22:27:09,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:09" (1/1) ... [2024-11-13 22:27:09,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:27:10,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:10,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:27:10,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:10,968 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:27:10,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10 WrapperNode [2024-11-13 22:27:10,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:10,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:10,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:27:10,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:27:10,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,071 INFO L138 Inliner]: procedures = 524, calls = 407, calls flagged for inlining = 7, calls inlined = 6, statements flattened = 494 [2024-11-13 22:27:11,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:11,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:27:11,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:27:11,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:27:11,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:27:11,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:27:11,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:27:11,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:27:11,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:10" (1/1) ... [2024-11-13 22:27:11,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:11,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:27:11,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:27:11,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:27:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:27:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:27:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:27:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:27:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:27:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:27:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:27:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:27:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:27:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:27:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:27:11,552 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:27:11,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:27:12,130 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-13 22:27:12,131 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:27:12,279 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:27:12,279 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 22:27:12,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:12 BoogieIcfgContainer [2024-11-13 22:27:12,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:27:12,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:27:12,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:27:12,292 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:27:12,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:12" (1/1) ... [2024-11-13 22:27:12,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:27:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2024-11-13 22:27:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-13 22:27:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:27:12,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:12,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2024-11-13 22:27:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-13 22:27:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:27:13,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:13,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2024-11-13 22:27:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-11-13 22:27:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:27:13,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:13,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2024-11-13 22:27:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-13 22:27:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:27:13,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:13,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:27:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2024-11-13 22:27:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-11-13 22:27:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:27:14,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:14,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2024-11-13 22:27:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-13 22:27:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:27:14,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:14,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:27:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2024-11-13 22:27:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-11-13 22:27:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:27:15,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:15,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:27:15,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 44 transitions. [2024-11-13 22:27:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-13 22:27:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:27:15,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 47 transitions. [2024-11-13 22:27:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-11-13 22:27:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:27:16,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:16,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:16,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 50 transitions. [2024-11-13 22:27:16,899 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-11-13 22:27:16,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:27:16,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:16,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 53 transitions. [2024-11-13 22:27:17,432 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2024-11-13 22:27:17,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:27:17,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:17,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 56 transitions. [2024-11-13 22:27:18,059 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-11-13 22:27:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:27:18,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:18,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 59 transitions. [2024-11-13 22:27:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2024-11-13 22:27:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:27:18,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:18,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 62 transitions. [2024-11-13 22:27:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2024-11-13 22:27:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:27:19,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:19,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 65 transitions. [2024-11-13 22:27:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2024-11-13 22:27:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:27:20,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:20,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:20,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 67 transitions. [2024-11-13 22:27:20,594 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2024-11-13 22:27:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:27:20,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:20,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2024-11-13 22:27:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2024-11-13 22:27:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:27:21,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:21,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:21,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2024-11-13 22:27:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2024-11-13 22:27:21,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:27:21,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:21,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 59 states and 64 transitions. [2024-11-13 22:27:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2024-11-13 22:27:21,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:27:21,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:21,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2024-11-13 22:27:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2024-11-13 22:27:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:27:22,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:22,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:23,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2024-11-13 22:27:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2024-11-13 22:27:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:27:23,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:23,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 56 states and 61 transitions. [2024-11-13 22:27:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2024-11-13 22:27:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:27:23,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:23,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 57 states and 62 transitions. [2024-11-13 22:27:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2024-11-13 22:27:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:27:23,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:23,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 22:27:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2024-11-13 22:27:24,279 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-11-13 22:27:24,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:27:24,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:24,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2024-11-13 22:27:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2024-11-13 22:27:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:27:25,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:25,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 22:27:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2024-11-13 22:27:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2024-11-13 22:27:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:27:25,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:25,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 22:27:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2024-11-13 22:27:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2024-11-13 22:27:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:27:25,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:25,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:26,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2024-11-13 22:27:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2024-11-13 22:27:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:27:26,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:26,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-13 22:27:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 67 states and 77 transitions. [2024-11-13 22:27:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2024-11-13 22:27:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:27:27,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-13 22:27:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2024-11-13 22:27:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2024-11-13 22:27:28,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:27:28,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:28,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2024-11-13 22:27:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2024-11-13 22:27:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:27:29,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:29,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-13 22:27:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:29,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2024-11-13 22:27:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2024-11-13 22:27:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:27:29,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:29,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:29,913 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2024-11-13 22:27:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2024-11-13 22:27:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 22:27:30,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 78 states and 89 transitions. [2024-11-13 22:27:31,374 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2024-11-13 22:27:31,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 22:27:31,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:31,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 81 states and 92 transitions. [2024-11-13 22:27:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2024-11-13 22:27:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 22:27:32,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:32,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:33,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 84 states and 95 transitions. [2024-11-13 22:27:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2024-11-13 22:27:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 22:27:33,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:33,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:33,810 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 87 states and 98 transitions. [2024-11-13 22:27:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2024-11-13 22:27:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 22:27:34,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:34,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 90 states and 101 transitions. [2024-11-13 22:27:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 101 transitions. [2024-11-13 22:27:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 22:27:35,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:35,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:27:36,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:36,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 93 states and 103 transitions. [2024-11-13 22:27:36,587 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2024-11-13 22:27:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 22:27:36,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:36,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:36,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:27:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:27:47,514 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:27:47,519 INFO L158 Benchmark]: Toolchain (without parser) took 37859.43ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 116.1MB in the beginning and 386.4MB in the end (delta: -270.3MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-11-13 22:27:47,519 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:47,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1307.17ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 49.4MB in the end (delta: 66.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 22:27:47,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.75ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 111.3MB in the end (delta: -61.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-13 22:27:47,521 INFO L158 Benchmark]: Boogie Preprocessor took 50.97ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 107.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:47,521 INFO L158 Benchmark]: RCFGBuilder took 1157.83ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 102.8MB in the end (delta: 4.6MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-11-13 22:27:47,522 INFO L158 Benchmark]: CodeCheck took 35236.09ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 102.8MB in the beginning and 386.4MB in the end (delta: -283.6MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2024-11-13 22:27:47,524 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 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1307.17ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 49.4MB in the end (delta: 66.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.75ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 111.3MB in the end (delta: -61.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.97ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 107.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1157.83ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 102.8MB in the end (delta: 4.6MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * CodeCheck took 35236.09ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 102.8MB in the beginning and 386.4MB in the end (delta: -283.6MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:27:47,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/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_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ff8320881bb5cbc5b52aa5a0a8dd146a23603ac32480303b1494fa48d4d27d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:27:50,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:27:50,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:27:50,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:27:50,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:27:50,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:27:50,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:27:50,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:27:50,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:27:50,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:27:50,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:27:50,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:27:50,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:27:50,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:27:50,607 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:27:50,607 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:27:50,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:27:50,608 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:27:50,608 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:27:50,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:27:50,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:27:50,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:27:50,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:27:50,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:27:50,609 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:27:50,609 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:50,609 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:27:50,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:27:50,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:50,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:27:50,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:27:50,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:27:50,610 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:27:50,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:50,610 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:27:50,611 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_f2733a39-977c-48a3-99d9-5be64da922bd/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff8320881bb5cbc5b52aa5a0a8dd146a23603ac32480303b1494fa48d4d27d8 [2024-11-13 22:27:50,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:27:51,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:27:51,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:27:51,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:27:51,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:27:51,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/busybox-1.22.0/hostid.i Unable to find full path for "g++" [2024-11-13 22:27:53,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:27:53,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:27:53,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/sv-benchmarks/c/busybox-1.22.0/hostid.i [2024-11-13 22:27:53,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/data/07b5c512f/45e0c1a67fde4e86bb9a243afe86e869/FLAGe760ca1fa [2024-11-13 22:27:53,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/data/07b5c512f/45e0c1a67fde4e86bb9a243afe86e869 [2024-11-13 22:27:53,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:27:53,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:27:53,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:53,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:27:53,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:27:53,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:53" (1/1) ... [2024-11-13 22:27:53,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10862a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:53, skipping insertion in model container [2024-11-13 22:27:53,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:53" (1/1) ... [2024-11-13 22:27:53,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:27:54,651 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 22:27:54,654 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 22:27:54,675 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 22:27:54,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:54,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:27:54,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:55,084 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:27:55,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55 WrapperNode [2024-11-13 22:27:55,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:55,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:55,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:27:55,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:27:55,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,182 INFO L138 Inliner]: procedures = 531, calls = 407, calls flagged for inlining = 7, calls inlined = 6, statements flattened = 487 [2024-11-13 22:27:55,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:55,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:27:55,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:27:55,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:27:55,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:27:55,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:27:55,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:27:55,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:27:55,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:55" (1/1) ... [2024-11-13 22:27:55,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:27:55,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:27:55,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:27:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:27:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-13 22:27:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:27:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 22:27:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:27:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:27:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:27:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:27:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:27:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:27:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:27:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:27:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 22:27:55,703 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:27:55,705 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:27:56,539 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-13 22:27:56,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:27:56,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:27:56,703 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 22:27:56,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:56 BoogieIcfgContainer [2024-11-13 22:27:56,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:27:56,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:27:56,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:27:56,715 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:27:56,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:56" (1/1) ... [2024-11-13 22:27:56,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:27:56,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:56,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2024-11-13 22:27:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-13 22:27:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:27:56,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:56,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:56,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:56,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:56,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:27:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:57,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:57,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:27:57,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:57,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:27:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:58,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2024-11-13 22:27:58,407 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-13 22:27:58,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:27:58,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:58,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:58,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:58,412 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:58,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:27:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:59,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:59,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:27:59,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:59,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:00,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2024-11-13 22:28:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-13 22:28:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:28:00,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:00,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:00,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:00,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:00,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:28:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:01,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:01,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:28:01,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:02,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:02,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:02,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2024-11-13 22:28:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2024-11-13 22:28:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:28:02,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:02,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:02,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:02,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:02,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:28:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:03,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:03,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:28:03,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:03,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2024-11-13 22:28:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2024-11-13 22:28:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:28:04,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:04,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:04,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:04,255 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:04,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:28:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:05,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:05,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:28:05,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:05,984 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:05,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:06,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2024-11-13 22:28:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-11-13 22:28:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:28:06,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:06,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:06,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:06,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:06,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:28:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:07,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:07,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:28:07,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:07,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:28:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2024-11-13 22:28:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2024-11-13 22:28:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:28:08,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:08,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:08,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:08,171 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:08,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:28:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:08,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:09,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:28:09,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:09,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2024-11-13 22:28:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-11-13 22:28:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:28:10,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:10,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:10,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:10,238 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:10,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:28:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:11,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:11,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:28:11,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:11,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:28:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2024-11-13 22:28:12,406 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2024-11-13 22:28:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:28:12,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:12,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:12,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:12,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:12,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:28:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:13,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:13,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:28:13,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:14,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:14,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2024-11-13 22:28:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2024-11-13 22:28:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:28:14,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:14,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:14,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:14,560 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:14,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:28:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:15,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:15,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:28:15,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:16,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:28:16,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:16,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2024-11-13 22:28:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2024-11-13 22:28:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:28:16,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:16,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:16,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:16,769 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:16,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:28:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:17,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:18,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:28:18,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:18,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:28:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:19,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2024-11-13 22:28:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2024-11-13 22:28:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:28:19,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:19,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:19,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:19,303 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:19,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:28:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:20,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:20,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:28:20,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:21,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:28:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-11-13 22:28:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-13 22:28:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:28:21,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:21,982 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:21,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:28:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:22,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:22,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:28:22,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:22,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:28:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2024-11-13 22:28:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-11-13 22:28:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:28:22,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:22,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:22,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:22,899 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:22,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:28:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:24,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:24,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:28:24,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:25,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:25,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2024-11-13 22:28:25,544 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2024-11-13 22:28:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:28:25,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:25,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:25,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:25,547 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:25,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:28:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:25,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:26,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:28:26,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:26,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:28:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2024-11-13 22:28:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-11-13 22:28:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:28:26,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:26,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:26,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:26,438 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:26,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:28:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:26,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:27,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:28:27,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:27,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:28:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 57 states and 60 transitions. [2024-11-13 22:28:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2024-11-13 22:28:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:28:27,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:27,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:27,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:27,786 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:27,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:28:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:29,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:29,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:28:29,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:30,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:28:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 52 states and 54 transitions. [2024-11-13 22:28:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-11-13 22:28:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:28:31,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:31,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:31,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:31,311 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:31,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:28:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:31,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:32,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:28:32,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:32,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:28:32,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:32,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 51 states and 53 transitions. [2024-11-13 22:28:32,606 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2024-11-13 22:28:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:28:32,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:32,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:32,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:32,612 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:32,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:28:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:33,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:34,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:28:34,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:34,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:28:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 50 states and 52 transitions. [2024-11-13 22:28:34,045 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2024-11-13 22:28:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:28:34,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:34,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:34,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:34,049 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:34,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:28:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:35,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:36,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:28:36,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:36,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:28:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2024-11-13 22:28:37,013 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2024-11-13 22:28:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:28:37,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:37,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:37,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:37,018 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:37,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:28:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:38,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:38,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:28:38,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:39,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:28:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions. [2024-11-13 22:28:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2024-11-13 22:28:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:28:40,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:40,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:40,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:40,541 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:40,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:28:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:41,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:42,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:28:42,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 22:28:42,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2024-11-13 22:28:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2024-11-13 22:28:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:28:42,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:42,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:42,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:42,747 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:42,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:28:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:43,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:44,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:28:44,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:44,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:28:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2024-11-13 22:28:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2024-11-13 22:28:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:28:46,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:46,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:46,810 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:46,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:28:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:47,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:48,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:28:48,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-13 22:28:48,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:28:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2024-11-13 22:28:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2024-11-13 22:28:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:28:49,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:49,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:49,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:49,278 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:49,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:28:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:50,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:51,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:28:51,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:51,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:28:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2024-11-13 22:28:53,722 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2024-11-13 22:28:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:28:53,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:53,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:53,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:53,728 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:53,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:28:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:54,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:55,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:28:55,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-13 22:28:55,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2024-11-13 22:28:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2024-11-13 22:28:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:28:56,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:56,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:56,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:56,209 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:56,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:28:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:57,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:58,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:28:58,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:58,677 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:28:58,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2024-11-13 22:29:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2024-11-13 22:29:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:29:01,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:01,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:01,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:01,396 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:01,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:29:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:03,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:03,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:03,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:03,925 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-13 22:29:03,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 22:29:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:04,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 73 states and 83 transitions. [2024-11-13 22:29:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2024-11-13 22:29:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:29:04,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:04,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:04,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:04,513 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:04,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:29:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:05,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:06,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:29:06,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:07,088 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:29:07,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 22:29:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2024-11-13 22:29:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2024-11-13 22:29:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 22:29:09,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:09,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:09,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:09,441 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:09,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 22:29:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:10,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:11,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:11,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 22:29:11,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 78 states and 89 transitions. [2024-11-13 22:29:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2024-11-13 22:29:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 22:29:12,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:12,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:12,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:12,290 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:12,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 22:29:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:13,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:14,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:29:14,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:29:14,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 22:29:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:17,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2024-11-13 22:29:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2024-11-13 22:29:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:29:17,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:17,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:17,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:17,431 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:17,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 22:29:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:18,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:19,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:19,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-13 22:29:19,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 22:29:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2024-11-13 22:29:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2024-11-13 22:29:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:29:20,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:20,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:20,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:20,236 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:20,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 22:29:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:21,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:22,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:29:22,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:29:22,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 22:29:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2024-11-13 22:29:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2024-11-13 22:29:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 22:29:25,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:25,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:25,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:25,630 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:25,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 22:29:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:27,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:27,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:27,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-13 22:29:28,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 22:29:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 88 states and 101 transitions. [2024-11-13 22:29:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2024-11-13 22:29:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 22:29:28,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:28,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:28,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:28,882 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:28,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 22:29:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:30,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:31,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:29:31,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:29:32,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 22:29:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 91 states and 106 transitions. [2024-11-13 22:29:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2024-11-13 22:29:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 22:29:35,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:35,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:35,322 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:35,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 22:29:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:36,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:37,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:37,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-13 22:29:37,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 22:29:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 93 states and 107 transitions. [2024-11-13 22:29:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2024-11-13 22:29:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 22:29:38,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:38,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:38,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:38,607 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:38,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 22:29:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:40,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:41,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:29:41,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:29:41,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2024-11-13 22:29:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2024-11-13 22:29:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 22:29:45,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:45,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:45,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:45,061 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:45,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 22:29:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:46,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:47,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:47,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:47,729 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-13 22:29:47,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 22:29:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 98 states and 113 transitions. [2024-11-13 22:29:48,524 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2024-11-13 22:29:48,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 22:29:48,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:48,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:48,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:48,526 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:48,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 22:29:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:50,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:51,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:29:51,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:29:51,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:55,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:55,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 101 states and 118 transitions. [2024-11-13 22:29:55,170 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2024-11-13 22:29:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 22:29:55,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:55,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:55,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:55,173 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:55,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 22:29:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:57,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:57,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:57,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-13 22:29:57,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:58,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 103 states and 119 transitions. [2024-11-13 22:29:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2024-11-13 22:29:58,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 22:29:58,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:58,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:58,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:58,720 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:58,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 22:30:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:00,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:01,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:30:01,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:30:02,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 22:30:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 104 states and 120 transitions. [2024-11-13 22:30:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2024-11-13 22:30:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 22:30:05,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:05,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:05,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:05,949 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:05,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2733a39-977c-48a3-99d9-5be64da922bd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process