./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/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_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/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_347c5335-971f-44d9-8647-7f61fb60efd7/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 21cdb68b157f5f8b7463533f545ac6ba72a59d04f7166c24abe2ffbb265d260d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:04:04,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:04:04,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:04:04,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:04:04,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:04:04,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:04:04,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:04:04,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:04:04,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:04:04,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:04:04,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:04:04,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:04:04,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:04:04,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:04:04,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:04:04,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:04:04,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:04:04,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:04:04,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:04:04,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:04:04,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:04:04,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:04:04,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:04:04,622 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:04:04,623 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:04:04,623 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:04:04,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:04:04,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:04,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:04:04,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:04:04,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:04:04,624 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:04:04,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:04:04,624 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_347c5335-971f-44d9-8647-7f61fb60efd7/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 -> 21cdb68b157f5f8b7463533f545ac6ba72a59d04f7166c24abe2ffbb265d260d [2024-11-13 21:04:04,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:04:04,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:04:04,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:04:04,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:04:04,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:04:04,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c Unable to find full path for "g++" [2024-11-13 21:04:07,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:04:07,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:04:07,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c [2024-11-13 21:04:07,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/data/ec7171d36/5659bc070d1342f9aab875debe613556/FLAGae19c21c8 [2024-11-13 21:04:07,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/data/ec7171d36/5659bc070d1342f9aab875debe613556 [2024-11-13 21:04:07,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:04:07,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:04:07,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:07,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:04:07,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:04:07,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f3a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07, skipping insertion in model container [2024-11-13 21:04:07,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:04:07,857 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_347c5335-971f-44d9-8647-7f61fb60efd7/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c[552,565] [2024-11-13 21:04:07,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:07,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:04:07,899 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_347c5335-971f-44d9-8647-7f61fb60efd7/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c[552,565] [2024-11-13 21:04:07,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:07,933 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:04:07,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07 WrapperNode [2024-11-13 21:04:07,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:07,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:07,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:04:07,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:04:07,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,960 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 21:04:07,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:07,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:04:07,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:04:07,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:04:07,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:07,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:04:07,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:04:07,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:04:07,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:04:07,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:07" (1/1) ... [2024-11-13 21:04:08,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:08,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:04:08,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:04:08,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:04:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:04:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:04:08,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:04:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:04:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:04:08,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:04:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:04:08,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:04:08,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:04:08,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:04:08,386 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:04:08,386 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:04:08,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:04:08,436 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:04:08,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:08 BoogieIcfgContainer [2024-11-13 21:04:08,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:04:08,437 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:04:08,437 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:04:08,450 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:04:08,450 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:08" (1/1) ... [2024-11-13 21:04:08,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:04:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 21:04:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 21:04:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:04:08,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:08,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:04:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:08,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:04:08,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:09,097 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 21:04:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-13 21:04:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 21:04:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:04:09,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:09,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:04:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:04:19,439 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:04:19,463 INFO L158 Benchmark]: Toolchain (without parser) took 11779.92ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 89.5MB in the end (delta: 2.7MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-11-13 21:04:19,464 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:19,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.22ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:04:19,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.86ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:19,473 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.5MB in the end (delta: 585.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:04:19,474 INFO L158 Benchmark]: RCFGBuilder took 443.23ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 65.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:04:19,474 INFO L158 Benchmark]: CodeCheck took 11019.94ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 89.5MB in the end (delta: -23.7MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-13 21:04:19,479 INFO L338 ainManager$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 0.49ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.22ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.86ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.5MB in the end (delta: 585.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 443.23ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 65.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11019.94ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 89.5MB in the end (delta: -23.7MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:04:19,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/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_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/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_347c5335-971f-44d9-8647-7f61fb60efd7/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 21cdb68b157f5f8b7463533f545ac6ba72a59d04f7166c24abe2ffbb265d260d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:04:23,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:04:23,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:04:23,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:04:23,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:04:23,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:04:23,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:04:23,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:04:23,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:04:23,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:04:23,619 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:04:23,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:04:23,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:04:23,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:04:23,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:04:23,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:04:23,620 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:04:23,620 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:04:23,621 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:04:23,621 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:04:23,621 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:04:23,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:04:23,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:04:23,621 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:04:23,622 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:04:23,622 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:04:23,622 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:23,622 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:04:23,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:04:23,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:23,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:04:23,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:04:23,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:04:23,623 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:04:23,623 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:23,624 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:04:23,624 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_347c5335-971f-44d9-8647-7f61fb60efd7/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 -> 21cdb68b157f5f8b7463533f545ac6ba72a59d04f7166c24abe2ffbb265d260d [2024-11-13 21:04:24,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:04:24,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:04:24,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:04:24,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:04:24,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:04:24,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c Unable to find full path for "g++" [2024-11-13 21:04:26,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:04:27,115 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:04:27,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c [2024-11-13 21:04:27,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/data/838eaa888/c5c5584a859641618f2e928197193f58/FLAGe13dc76db [2024-11-13 21:04:27,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/data/838eaa888/c5c5584a859641618f2e928197193f58 [2024-11-13 21:04:27,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:04:27,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:04:27,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:27,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:04:27,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:04:27,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41973ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27, skipping insertion in model container [2024-11-13 21:04:27,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:04:27,500 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_347c5335-971f-44d9-8647-7f61fb60efd7/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c[552,565] [2024-11-13 21:04:27,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:27,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:04:27,599 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_347c5335-971f-44d9-8647-7f61fb60efd7/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c[552,565] [2024-11-13 21:04:27,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:27,651 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:04:27,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27 WrapperNode [2024-11-13 21:04:27,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:27,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:27,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:04:27,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:04:27,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,712 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 21:04:27,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:27,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:04:27,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:04:27,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:04:27,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:04:27,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:04:27,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:04:27,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:04:27,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:27" (1/1) ... [2024-11-13 21:04:27,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:27,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:04:27,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:04:27,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:04:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:04:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:04:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:04:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:04:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:04:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:04:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:04:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:04:27,993 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:04:27,995 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:04:28,382 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:04:28,383 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:04:28,480 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:04:28,481 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:04:28,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:28 BoogieIcfgContainer [2024-11-13 21:04:28,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:04:28,484 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:04:28,484 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:04:28,502 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:04:28,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:28" (1/1) ... [2024-11-13 21:04:28,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:04:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 21:04:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 21:04:28,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:04:28,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:28,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:28,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:04:28,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:04:28,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:04:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:28,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:04:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:29,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:04:29,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:30,104 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 21:04:30,108 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:04:30,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:04:31,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:31,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-13 21:04:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 21:04:31,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:04:31,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:31,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:31,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:04:31,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:04:31,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:04:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:31,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:04:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:31,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:04:31,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 21:04:32,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:04:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 69 transitions. [2024-11-13 21:04:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-13 21:04:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:04:35,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:35,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:35,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:04:35,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:04:35,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:04:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:35,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:04:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:35,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:04:35,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:38,495 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 21:04:38,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:04:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 73 transitions. [2024-11-13 21:04:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-13 21:04:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:04:41,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:41,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:41,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:04:41,005 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:04:41,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:04:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:41,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:04:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:41,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:04:41,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:41,282 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 21:04:41,284 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:04:41,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:04:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 75 transitions. [2024-11-13 21:04:42,208 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-13 21:04:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:04:42,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:42,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:42,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:04:42,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:04:42,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:04:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:42,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:04:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:42,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:04:42,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:45,175 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 21:04:45,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:04:57,784 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 21:04:58,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 80 transitions. [2024-11-13 21:04:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2024-11-13 21:04:58,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:04:58,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:58,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:58,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:04:58,500 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:04:58,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:04:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:58,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:04:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:59,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:04:59,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:05:00,658 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 21:05:00,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 21:05:15,834 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 21:05:22,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 86 transitions. [2024-11-13 21:05:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-11-13 21:05:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:05:22,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:22,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:05:22,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:05:22,174 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:05:22,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:05:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:22,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:05:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:22,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:05:22,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:05:23,603 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 21:05:23,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 21:05:33,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:05:44,288 WARN L539 Checker$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 21:05:58,938 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 21:05:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 90 transitions. [2024-11-13 21:05:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2024-11-13 21:05:59,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:05:59,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:59,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:05:59,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:05:59,351 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:05:59,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:05:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:59,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:05:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:59,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:05:59,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:06:01,437 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 21:06:01,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:06:18,589 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 21:06:29,122 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 21:06:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:30,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 102 transitions. [2024-11-13 21:06:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-11-13 21:06:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:06:30,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:30,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:06:30,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:06:30,028 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:06:30,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:06:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:30,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:06:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:30,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:06:30,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:06:32,802 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:06:32,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:06:46,848 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 21:06:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 108 transitions. [2024-11-13 21:06:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2024-11-13 21:06:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:06:52,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:52,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:06:52,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:06:52,608 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:06:52,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:06:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:52,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:06:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:52,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:06:52,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:06:52,799 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 21:06:52,801 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:06:52,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:07:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:00,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 114 transitions. [2024-11-13 21:07:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-11-13 21:07:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:07:00,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:00,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:00,597 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:00,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:07:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:00,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:00,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:07:00,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:01,616 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 21:07:01,617 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:07:01,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:07:22,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:07:32,976 WARN L539 Checker$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 21:07:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 68 states and 118 transitions. [2024-11-13 21:07:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2024-11-13 21:07:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:07:33,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:33,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:33,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:33,446 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:33,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:07:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:33,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:33,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:07:33,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:35,997 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 21:07:36,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:07:54,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:08:04,933 WARN L539 Checker$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 21:08:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 124 transitions. [2024-11-13 21:08:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2024-11-13 21:08:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:08:05,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:05,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:05,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:05,966 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:05,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:08:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:06,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:06,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:08:06,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 21:08:13,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 21:08:32,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:08:45,093 WARN L539 Checker$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 21:08:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 131 transitions. [2024-11-13 21:08:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 131 transitions. [2024-11-13 21:08:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:08:48,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:48,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:48,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:48,923 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:48,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:08:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:49,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:49,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:08:49,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:08:54,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 21:09:11,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:09:27,866 WARN L539 Checker$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 21:09:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 77 states and 137 transitions. [2024-11-13 21:09:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 137 transitions. [2024-11-13 21:09:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 21:09:30,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:30,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:30,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:30,666 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:30,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:09:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:30,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:30,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:09:30,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:33,399 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 21:09:33,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 21:09:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 144 transitions. [2024-11-13 21:09:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 144 transitions. [2024-11-13 21:09:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 21:09:40,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:40,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:40,820 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:40,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:09:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:40,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:41,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:09:41,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 21:09:44,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:09:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 88 states and 155 transitions. [2024-11-13 21:09:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 155 transitions. [2024-11-13 21:09:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:09:56,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:56,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:56,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:56,884 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:56,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:09:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:57,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:57,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:09:57,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 19 proven. 24 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 21:10:00,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 21:10:19,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:10:30,365 WARN L539 Checker$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 21:10:31,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 91 states and 161 transitions. [2024-11-13 21:10:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 161 transitions. [2024-11-13 21:10:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:10:31,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:31,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:31,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:31,733 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:31,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:10:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:32,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:32,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:10:32,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:42,356 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 21:10:42,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:11:04,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:11:15,614 WARN L539 Checker$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 21:11:19,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 94 states and 168 transitions. [2024-11-13 21:11:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 168 transitions. [2024-11-13 21:11:19,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:11:19,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:19,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:19,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:11:19,023 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:11:19,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:11:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:19,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:11:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:19,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 21:11:19,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:11:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 21:11:29,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:11:53,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:12:06,669 WARN L539 Checker$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 21:12:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 97 states and 175 transitions. [2024-11-13 21:12:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 175 transitions. [2024-11-13 21:12:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:12:12,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:12,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:12,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:12,771 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:12,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:12:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:13,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:13,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:12:13,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 21:12:20,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 21:12:38,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:12:56,947 WARN L539 Checker$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 21:13:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 100 states and 181 transitions. [2024-11-13 21:13:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 181 transitions. [2024-11-13 21:13:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 21:13:00,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:00,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:00,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:00,785 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:00,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:13:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:00,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:00,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:13:00,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:00,930 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 21:13:00,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:13:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 100 states and 180 transitions. [2024-11-13 21:13:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 180 transitions. [2024-11-13 21:13:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 21:13:02,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:02,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:02,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:02,513 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:13:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:02,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:02,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:13:02,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:02,671 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 21:13:02,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 21:13:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 100 states and 179 transitions. [2024-11-13 21:13:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 179 transitions. [2024-11-13 21:13:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 21:13:04,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:04,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:04,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:04,504 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:04,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:13:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:04,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:04,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:13:04,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:10,484 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 21:13:10,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 21:13:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 104 states and 187 transitions. [2024-11-13 21:13:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 187 transitions. [2024-11-13 21:13:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 21:13:20,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:20,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:20,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:20,656 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:20,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:13:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:20,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:20,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:13:20,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 21:13:25,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 21:13:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 108 states and 194 transitions. [2024-11-13 21:13:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 194 transitions. [2024-11-13 21:13:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 21:13:44,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:44,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:44,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:44,303 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:44,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:13:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:44,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:44,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 21:13:44,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:55,159 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 21:13:55,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 21:14:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 115 states and 205 transitions. [2024-11-13 21:14:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 205 transitions. [2024-11-13 21:14:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 21:14:24,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:24,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:14:24,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:14:24,732 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:14:24,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:14:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:24,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:14:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:25,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:14:25,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:14:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 19 proven. 35 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 21:14:33,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:15:03,283 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 21:15:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 117 states and 210 transitions. [2024-11-13 21:15:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 210 transitions. [2024-11-13 21:15:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 21:15:09,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:09,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:09,310 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:09,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:15:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:09,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:09,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:15:09,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:14,739 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 21:15:14,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:15:37,662 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 21:15:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 119 states and 213 transitions. [2024-11-13 21:15:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 213 transitions. [2024-11-13 21:15:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 21:15:39,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:39,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:39,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:39,360 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:39,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:15:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:39,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:39,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 21:15:39,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 28 proven. 39 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 21:15:45,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 21:16:10,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:21,796 WARN L539 Checker$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 21:16:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 122 states and 219 transitions. [2024-11-13 21:16:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2024-11-13 21:16:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 21:16:23,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:23,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:23,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:23,927 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:23,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:16:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:24,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:24,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:16:24,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 27 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 21:16:33,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 21:16:42,705 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 78 DAG size of output: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:17:00,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:12,371 WARN L539 Checker$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 21:17:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 125 states and 226 transitions. [2024-11-13 21:17:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 226 transitions. [2024-11-13 21:17:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 21:17:17,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:17,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:17,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:17,416 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:17,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:17:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:17,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:18,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:17:18,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 21:17:31,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 21:17:42,672 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 86 DAG size of output: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:18:02,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:18:14,518 WARN L539 Checker$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 21:18:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 128 states and 233 transitions. [2024-11-13 21:18:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 233 transitions. [2024-11-13 21:18:21,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 21:18:21,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:21,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:21,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:21,660 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:21,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:18:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:22,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:22,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:18:22,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 21:18:32,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c5335-971f-44d9-8647-7f61fb60efd7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:19:03,588 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 []