./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/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_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:55:22,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:55:22,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:55:22,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:55:22,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:55:22,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:55:22,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:55:22,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:55:22,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:55:22,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:55:22,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:55:22,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:55:22,399 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:55:22,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:55:22,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:55:22,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:55:22,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:55:22,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:55:22,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:55:22,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:55:22,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:55:22,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:55:22,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:55:22,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:55:22,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:55:22,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:55:22,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:55:22,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:55:22,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:55:22,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:55:22,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:55:22,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:55:22,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:55:22,402 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_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb [2024-11-13 22:55:22,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:55:22,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:55:22,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:55:22,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:55:22,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:55:22,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c Unable to find full path for "g++" [2024-11-13 22:55:24,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:55:25,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:55:25,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2024-11-13 22:55:25,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/data/dd510ab9c/2d76db556bb045898fb12bb0c5c6ab4b/FLAGf13b844a7 [2024-11-13 22:55:25,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/data/dd510ab9c/2d76db556bb045898fb12bb0c5c6ab4b [2024-11-13 22:55:25,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:55:25,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:55:25,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:55:25,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:55:25,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:55:25,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533e41e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25, skipping insertion in model container [2024-11-13 22:55:25,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:55:25,586 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-11-13 22:55:25,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:55:25,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:55:25,640 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-11-13 22:55:25,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:55:25,672 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:55:25,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25 WrapperNode [2024-11-13 22:55:25,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:55:25,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:55:25,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:55:25,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:55:25,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,713 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 22:55:25,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:55:25,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:55:25,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:55:25,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:55:25,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:55:25,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:55:25,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:55:25,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:55:25,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:25" (1/1) ... [2024-11-13 22:55:25,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:55:25,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:55:25,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:55:25,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:55:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:55:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:55:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:55:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:55:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:55:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:55:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:55:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:55:25,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:55:25,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:55:26,058 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:55:26,059 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:55:26,103 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:55:26,104 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:55:26,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:55:26 BoogieIcfgContainer [2024-11-13 22:55:26,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:55:26,105 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:55:26,105 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:55:26,115 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:55:26,115 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:55:26" (1/1) ... [2024-11-13 22:55:26,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:55:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 22:55:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 22:55:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:55:26,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:26,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:55:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:55:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:26,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:55:26,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 22:55:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-13 22:55:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 22:55:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:55:26,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:26,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:55:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:55:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:55:36,865 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:55:36,869 INFO L158 Benchmark]: Toolchain (without parser) took 11463.28ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 90.0MB in the end (delta: 2.8MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-11-13 22:55:36,870 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 117.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:55:36,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.03ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:55:36,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.23ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:55:36,871 INFO L158 Benchmark]: Boogie Preprocessor took 30.31ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.4MB in the end (delta: 715.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:55:36,872 INFO L158 Benchmark]: RCFGBuilder took 357.31ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 66.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:55:36,872 INFO L158 Benchmark]: CodeCheck took 10763.47ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 90.0MB in the end (delta: -23.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-13 22:55:36,874 INFO L338 ainManager$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 0.89ms. Allocated memory is still 117.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.03ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.23ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.31ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.4MB in the end (delta: 715.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 357.31ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 66.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10763.47ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 90.0MB in the end (delta: -23.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:55:36,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/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_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:55:39,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:55:39,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:55:39,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:55:39,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:55:39,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:55:39,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:55:39,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:55:39,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:55:39,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:55:39,680 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:55:39,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:55:39,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:55:39,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:55:39,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:55:39,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:55:39,683 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:55:39,683 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:55:39,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:55:39,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:55:39,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:55:39,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:55:39,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:55:39,684 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:55:39,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:55:39,685 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:55:39,685 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_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb [2024-11-13 22:55:40,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:55:40,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:55:40,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:55:40,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:55:40,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:55:40,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c Unable to find full path for "g++" [2024-11-13 22:55:41,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:55:42,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:55:42,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2024-11-13 22:55:42,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/data/beb22f33a/0e4fd73df68c4a7cb1fcfed55bbe99f2/FLAGc28116326 [2024-11-13 22:55:42,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/data/beb22f33a/0e4fd73df68c4a7cb1fcfed55bbe99f2 [2024-11-13 22:55:42,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:55:42,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:55:42,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:55:42,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:55:42,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:55:42,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0a6ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42, skipping insertion in model container [2024-11-13 22:55:42,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:55:42,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-11-13 22:55:42,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:55:42,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:55:42,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-11-13 22:55:42,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:55:42,370 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:55:42,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42 WrapperNode [2024-11-13 22:55:42,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:55:42,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:55:42,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:55:42,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:55:42,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,410 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 22:55:42,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:55:42,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:55:42,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:55:42,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:55:42,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:55:42,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:55:42,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:55:42,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:55:42,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:55:42,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:55:42,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:55:42,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:55:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:55:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:55:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:55:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:55:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:55:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:55:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:55:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:55:42,580 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:55:42,582 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:55:42,763 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:55:42,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:55:42,831 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:55:42,832 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:55:42,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:55:42 BoogieIcfgContainer [2024-11-13 22:55:42,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:55:42,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:55:42,833 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:55:42,845 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:55:42,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:55:42" (1/1) ... [2024-11-13 22:55:42,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:55:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:42,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 22:55:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 22:55:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:55:42,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:42,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:55:42,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:55:42,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:55:42,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:55:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:43,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:55:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:43,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:55:43,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 22:55:43,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:55:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-13 22:55:44,650 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 22:55:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:55:44,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:44,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:55:44,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:55:44,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:55:44,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:55:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:44,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:55:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:44,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:55:44,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:55:45,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:55:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 69 transitions. [2024-11-13 22:55:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-13 22:55:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:55:46,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:46,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:55:46,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:55:46,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:55:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:55:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:46,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:55:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:47,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:55:47,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 22:55:48,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:55:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 73 transitions. [2024-11-13 22:55:50,688 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-13 22:55:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:55:50,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:50,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:55:50,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:55:50,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:55:50,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:55:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:50,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:55:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:50,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:55:50,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 22:55:50,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:55:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:51,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 75 transitions. [2024-11-13 22:55:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-13 22:55:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:55:51,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:51,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:55:51,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:55:51,565 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:55:51,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:55:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:51,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:55:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:51,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:55:51,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 22:55:53,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 22:56:05,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:56:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:56:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 80 transitions. [2024-11-13 22:56:06,166 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2024-11-13 22:56:06,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:56:06,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:56:06,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:56:06,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:56:06,172 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:56:06,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:56:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:56:06,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:56:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:56:06,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:56:06,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:56:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 22:56:07,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 22:56:21,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:56:25,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:56:25,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 88 transitions. [2024-11-13 22:56:25,259 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-11-13 22:56:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:56:25,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:56:25,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:56:25,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:56:25,264 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:56:25,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:56:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:56:25,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:56:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:56:25,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:56:25,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:56:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:56:26,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:56:36,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:56:47,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:57:01,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:57:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 92 transitions. [2024-11-13 22:57:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2024-11-13 22:57:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:57:01,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:01,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:01,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:57:01,503 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:57:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:57:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:01,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:57:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:01,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:57:01,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:57:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 22:57:02,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 22:57:16,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:57:27,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:57:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 103 transitions. [2024-11-13 22:57:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2024-11-13 22:57:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:57:27,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:27,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:27,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:57:27,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:57:27,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:57:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:28,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:57:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:28,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 22:57:28,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:57:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 22:57:29,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:57:44,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:57:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 109 transitions. [2024-11-13 22:57:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2024-11-13 22:57:49,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:57:49,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:49,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:49,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:57:49,198 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:57:49,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:57:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:49,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:57:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:49,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:57:49,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:57:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 22:57:49,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 22:57:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 120 transitions. [2024-11-13 22:57:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2024-11-13 22:57:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:57:57,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:57,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:57,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:57:57,726 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:57:57,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:57:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:57,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:57:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:57,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:57:57,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:57:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:57:58,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 22:58:19,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:58:30,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:58:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 124 transitions. [2024-11-13 22:58:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2024-11-13 22:58:30,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:58:30,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:58:30,466 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:58:30,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:58:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:30,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:58:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:30,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:58:30,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:58:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 22:58:33,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 22:58:49,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:59:00,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:59:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 130 transitions. [2024-11-13 22:59:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 130 transitions. [2024-11-13 22:59:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:59:01,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:01,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:01,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:01,355 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:01,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:59:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:01,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:01,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:59:01,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 22:59:03,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:59:19,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:59:30,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:59:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 77 states and 137 transitions. [2024-11-13 22:59:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 137 transitions. [2024-11-13 22:59:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:59:32,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:32,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:32,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:32,036 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:32,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:59:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:32,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:32,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:59:32,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 22:59:35,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 22:59:51,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:00:07,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:00:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 80 states and 143 transitions. [2024-11-13 23:00:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 143 transitions. [2024-11-13 23:00:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 23:00:09,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:09,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:00:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:00:09,491 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:00:09,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:00:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:09,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:00:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:09,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:00:09,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:00:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 23:00:12,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 23:00:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 150 transitions. [2024-11-13 23:00:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 150 transitions. [2024-11-13 23:00:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 23:00:19,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:19,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:00:19,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:00:19,579 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:00:19,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:00:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:19,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:00:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:19,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 23:00:19,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:00:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 23:00:23,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 23:00:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 91 states and 161 transitions. [2024-11-13 23:00:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 161 transitions. [2024-11-13 23:00:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:00:34,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:34,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:00:34,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:00:34,765 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:00:34,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:00:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:35,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:00:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:35,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 23:00:35,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:00:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 23:00:38,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 23:00:55,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:01:06,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:01:07,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 94 states and 167 transitions. [2024-11-13 23:01:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2024-11-13 23:01:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:01:07,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:07,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:07,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:07,776 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:07,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:01:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:08,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:08,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 23:01:08,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:01:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 23:01:18,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-13 23:01:38,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:01:49,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:01:51,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 97 states and 174 transitions. [2024-11-13 23:01:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 174 transitions. [2024-11-13 23:01:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:01:51,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:51,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:51,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:51,780 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:51,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:01:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:52,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:52,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 23:01:52,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:01:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 23 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 23:01:56,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 23:02:16,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:02:27,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:02:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 100 states and 181 transitions. [2024-11-13 23:02:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 181 transitions. [2024-11-13 23:02:30,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:02:30,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:30,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:02:30,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:02:30,729 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:02:30,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:02:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:31,019 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:02:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:31,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:02:31,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:02:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-13 23:02:37,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 23:02:55,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:03:14,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:03:16,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 103 states and 187 transitions. [2024-11-13 23:03:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 187 transitions. [2024-11-13 23:03:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 23:03:16,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:16,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:16,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:16,960 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:16,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:03:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:17,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:17,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:03:17,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 23:03:17,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 23:03:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 103 states and 186 transitions. [2024-11-13 23:03:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 186 transitions. [2024-11-13 23:03:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 23:03:18,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:18,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:18,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:18,814 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:18,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:03:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:18,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:18,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:03:18,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 23:03:18,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 23:03:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 103 states and 185 transitions. [2024-11-13 23:03:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 185 transitions. [2024-11-13 23:03:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 23:03:21,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:21,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:21,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:21,224 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:21,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:03:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:21,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:21,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:03:21,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 23 proven. 33 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 23:03:28,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 23:03:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 107 states and 194 transitions. [2024-11-13 23:03:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 194 transitions. [2024-11-13 23:03:43,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 23:03:43,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:43,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:43,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:43,424 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:43,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:03:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:43,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:43,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 23:03:43,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 29 proven. 24 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 23:03:53,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 23:04:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 111 states and 201 transitions. [2024-11-13 23:04:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2024-11-13 23:04:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 23:04:14,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:14,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:14,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:14,237 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:14,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:04:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:14,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:14,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:04:14,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 23:04:21,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 23:04:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 212 transitions. [2024-11-13 23:04:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 212 transitions. [2024-11-13 23:04:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:04:53,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:53,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:53,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:53,681 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:53,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:04:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:53,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:54,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 23:04:54,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 37 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 23:04:59,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 23:05:29,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:05:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 120 states and 218 transitions. [2024-11-13 23:05:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 218 transitions. [2024-11-13 23:05:32,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:05:32,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:32,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:32,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:05:32,302 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:05:32,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:05:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:32,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:05:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:32,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 23:05:32,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:05:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 37 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 23:05:35,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:05:55,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:06:18,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:06:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 222 transitions. [2024-11-13 23:06:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2024-11-13 23:06:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:06:19,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:19,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:19,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:19,913 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:19,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:06:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:20,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:20,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 23:06:20,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:06:25,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 23:06:53,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:07:04,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:07:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 126 states and 229 transitions. [2024-11-13 23:07:05,594 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 229 transitions. [2024-11-13 23:07:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:07:05,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:05,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:05,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:07:05,598 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:07:05,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:07:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:06,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:07:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:06,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:07:06,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:07:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 26 proven. 33 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 23:07:16,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 23:07:39,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:07:51,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:07:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 235 transitions. [2024-11-13 23:07:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 235 transitions. [2024-11-13 23:07:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:07:54,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:54,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:54,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:07:54,259 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:07:54,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:07:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:54,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:07:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:54,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:07:54,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:08:01,428 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 32 proven. 19 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 23:08:01,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 23:08:25,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:08:43,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:08:55,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:08:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 132 states and 241 transitions. [2024-11-13 23:08:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 241 transitions. [2024-11-13 23:08:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:08:55,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:55,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:08:55,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:08:55,589 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:08:55,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:08:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:56,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:08:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:56,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 23:08:56,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:09:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 23:09:04,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 23:09:25,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.08s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:09:41,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:10:11,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:10:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 252 transitions. [2024-11-13 23:10:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 252 transitions. [2024-11-13 23:10:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 23:10:12,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:12,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:12,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:12,349 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:10:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:12,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:12,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:10:12,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-13 23:10:12,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 23:10:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:14,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 251 transitions. [2024-11-13 23:10:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 251 transitions. [2024-11-13 23:10:14,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 23:10:14,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:14,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:14,649 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:14,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:10:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:14,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:14,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:10:14,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-13 23:10:14,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 23:10:18,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:18,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 250 transitions. [2024-11-13 23:10:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 250 transitions. [2024-11-13 23:10:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 23:10:18,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:18,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:18,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:18,639 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:18,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:10:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:18,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:18,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:10:18,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-13 23:10:18,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 23:10:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 249 transitions. [2024-11-13 23:10:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 249 transitions. [2024-11-13 23:10:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 23:10:21,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:21,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:21,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:21,620 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:21,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67a0e2b6-aa87-4eae-9574-5f1e34c444ab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 23:10:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:21,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:22,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 23:10:22,026 INFO L278 TraceCheckSpWp]: Computing forward predicates...