./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:34:50,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:34:50,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:34:50,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:34:50,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:34:50,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:34:50,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:34:50,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:34:50,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:34:50,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:34:50,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:34:50,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:34:50,866 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:34:50,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:34:50,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:34:50,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:34:50,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:34:50,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:34:50,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:34:50,867 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:34:50,867 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:34:50,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:34:50,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:34:50,868 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:34:50,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:34:50,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:34:50,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:34:50,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:34:50,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:34:50,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:50,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:34:50,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:34:50,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:34:50,869 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:34:50,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:34:50,869 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_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 [2024-11-25 02:34:51,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:34:51,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:34:51,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:34:51,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:34:51,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:34:51,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2024-11-25 02:34:54,213 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data/f9012e740/03777df117b3491f92c8a017280e47bf/FLAG4dc33b9a6 [2024-11-25 02:34:54,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:34:54,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2024-11-25 02:34:54,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data/f9012e740/03777df117b3491f92c8a017280e47bf/FLAG4dc33b9a6 [2024-11-25 02:34:54,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data/f9012e740/03777df117b3491f92c8a017280e47bf [2024-11-25 02:34:54,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:34:54,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:34:54,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:54,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:34:54,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:34:54,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c25b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54, skipping insertion in model container [2024-11-25 02:34:54,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:34:54,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:54,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:34:54,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:54,821 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:34:54,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54 WrapperNode [2024-11-25 02:34:54,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:54,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:54,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:34:54,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:34:54,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,879 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-25 02:34:54,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:54,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:34:54,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:34:54,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:34:54,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:34:54,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:34:54,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:34:54,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:34:54,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:54,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:34:54,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:34:54,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:34:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:34:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:34:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:34:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:34:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:34:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:34:55,077 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:34:55,079 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:34:55,542 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-25 02:34:55,542 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:34:55,630 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:34:55,634 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:34:55,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:55 BoogieIcfgContainer [2024-11-25 02:34:55,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:34:55,636 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:34:55,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:34:55,646 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:34:55,646 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:55" (1/1) ... [2024-11-25 02:34:55,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:34:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-11-25 02:34:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-11-25 02:34:55,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:34:55,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:55,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:34:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 02:34:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 02:34:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:34:55,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:55,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:34:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:56,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-11-25 02:34:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-11-25 02:34:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:34:56,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:56,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:56,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:34:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 02:34:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 02:34:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:34:56,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:56,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:34:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:56,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:34:56,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:34:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-25 02:34:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-25 02:34:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:34:56,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:56,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:34:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:56,111 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:56,128 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-25 02:34:56,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:34:56 ImpRootNode [2024-11-25 02:34:56,157 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:34:56,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:34:56,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:34:56,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:34:56,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:55" (3/4) ... [2024-11-25 02:34:56,161 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:34:56,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:34:56,163 INFO L158 Benchmark]: Toolchain (without parser) took 1633.52ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 57.7MB in the end (delta: 60.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,163 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:56,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.51ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.42ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:56,164 INFO L158 Benchmark]: Boogie Preprocessor took 39.18ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.1MB in the end (delta: 973.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,165 INFO L158 Benchmark]: RCFGBuilder took 711.56ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 80.0MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,165 INFO L158 Benchmark]: CodeCheck took 521.29ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 58.0MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,165 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 57.7MB in the end (delta: 244.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:56,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 132 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 2 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=5) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=5) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L34] EXPR 12*r VAL [r=1] [L34] EXPR 12*r*r VAL [r=1] [L34] (int)(4*s) - 12*r*r * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.51ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.42ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.18ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.1MB in the end (delta: 973.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 711.56ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 80.0MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 521.29ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 58.0MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 57.7MB in the end (delta: 244.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:34:56,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:34:58,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:34:58,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 02:34:58,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:34:58,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:34:58,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:34:58,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:34:58,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:34:58,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:34:58,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:34:58,988 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:34:58,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:34:58,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:34:58,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:34:58,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:34:58,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:34:58,989 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:34:58,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:34:58,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:34:58,990 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:34:58,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:34:58,990 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:34:58,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:34:58,990 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:34:58,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:34:58,991 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:34:58,991 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:34:58,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:34:58,991 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:58,991 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:34:58,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:34:58,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:58,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:34:58,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:34:58,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:34:58,993 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:34:58,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:58,993 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:34:58,993 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_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 [2024-11-25 02:34:59,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:34:59,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:34:59,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:34:59,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:34:59,320 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:34:59,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2024-11-25 02:35:02,323 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data/35881dab4/f4b027aac3e0425e808725f547667ef1/FLAG219002537 [2024-11-25 02:35:02,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:35:02,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2024-11-25 02:35:02,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data/35881dab4/f4b027aac3e0425e808725f547667ef1/FLAG219002537 [2024-11-25 02:35:02,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/data/35881dab4/f4b027aac3e0425e808725f547667ef1 [2024-11-25 02:35:02,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:35:02,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:35:02,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:02,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:35:02,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:35:02,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:02,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538ec11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02, skipping insertion in model container [2024-11-25 02:35:02,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:02,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:35:02,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:02,886 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:35:02,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:02,954 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:35:02,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02 WrapperNode [2024-11-25 02:35:02,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:02,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:02,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:35:02,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:35:02,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:02,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,018 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-25 02:35:03,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:03,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:35:03,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:35:03,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:35:03,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:35:03,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:35:03,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:35:03,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:35:03,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:02" (1/1) ... [2024-11-25 02:35:03,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:35:03,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:35:03,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:35:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:35:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:35:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:35:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:35:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:35:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:35:03,231 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:35:03,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:35:54,190 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-25 02:35:54,190 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:35:54,258 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:35:54,258 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:35:54,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:54 BoogieIcfgContainer [2024-11-25 02:35:54,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:35:54,260 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:35:54,260 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:35:54,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:35:54,270 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:35:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-11-25 02:35:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-11-25 02:35:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:35:54,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:54,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:54,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:54,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:54,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:35:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:54,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:54,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:35:54,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:54,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:35:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 02:35:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 02:35:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:35:54,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:54,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:54,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:54,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:54,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:35:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:54,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:54,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:35:54,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:54,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:35:54,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:54,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-11-25 02:35:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-11-25 02:35:54,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:35:54,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:54,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:54,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:54,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:54,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:35:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:55,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:55,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:35:55,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:55,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-25 02:35:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-25 02:35:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:35:55,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:55,212 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:55,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:35:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:55,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:55,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:35:55,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:55,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-25 02:35:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-25 02:35:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:35:55,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:55,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:55,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:55,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:55,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:35:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:56,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:56,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:35:56,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:56,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:35:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2024-11-25 02:35:57,795 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2024-11-25 02:35:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:35:57,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:57,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:57,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:57,798 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:57,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:35:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:58,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:58,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:35:58,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:58,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:36:00,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 142 states and 150 transitions. [2024-11-25 02:36:00,292 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-11-25 02:36:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:36:00,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:00,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:00,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:00,297 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:00,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:36:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:00,610 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:00,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:00,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:00,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:36:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 144 states and 153 transitions. [2024-11-25 02:36:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-25 02:36:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:36:02,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:02,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:02,102 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:02,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:36:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:02,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:02,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:02,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:02,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:36:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2024-11-25 02:36:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2024-11-25 02:36:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:36:02,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:02,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:02,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:02,635 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:02,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:36:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:02,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:03,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:03,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:03,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2024-11-25 02:36:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2024-11-25 02:36:03,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:36:03,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:03,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:03,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:03,243 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:03,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:36:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:03,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:03,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:03,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:03,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:03,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:36:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2024-11-25 02:36:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-11-25 02:36:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:36:03,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:03,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:03,978 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:03,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:36:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:04,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:04,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:04,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:04,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2024-11-25 02:36:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2024-11-25 02:36:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:36:04,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:04,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:04,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:04,896 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:04,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:36:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:05,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:05,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:05,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:05,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 02:36:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2024-11-25 02:36:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-11-25 02:36:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:36:05,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:05,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:05,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:05,990 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:05,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:36:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:06,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:06,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:06,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:06,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 02:36:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2024-11-25 02:36:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-11-25 02:36:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:36:06,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:06,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:06,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:06,783 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:06,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:36:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:07,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:07,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:36:07,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:07,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 02:36:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 151 states and 161 transitions. [2024-11-25 02:36:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-11-25 02:36:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:36:07,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:07,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:07,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:07,946 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:07,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:36:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:08,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:08,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:08,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:08,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 02:36:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2024-11-25 02:36:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-25 02:36:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:36:08,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:08,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:08,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:08,977 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:08,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:36:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:09,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:09,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:09,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:09,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 02:36:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2024-11-25 02:36:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-11-25 02:36:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:36:09,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:09,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:09,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:09,934 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:09,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:36:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:10,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:10,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:10,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:10,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 02:36:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2024-11-25 02:36:10,886 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-11-25 02:36:10,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:36:10,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:10,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:10,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:10,891 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:10,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:36:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:11,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:11,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:11,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:11,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 02:36:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 156 states and 166 transitions. [2024-11-25 02:36:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2024-11-25 02:36:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:36:11,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:11,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:11,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:11,738 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:11,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:36:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:12,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:12,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:12,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:12,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 02:36:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2024-11-25 02:36:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2024-11-25 02:36:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:36:12,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:12,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:12,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:12,630 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:12,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:36:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:13,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:13,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:13,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:13,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 02:36:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 158 states and 169 transitions. [2024-11-25 02:36:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2024-11-25 02:36:13,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:36:13,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:13,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:13,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:13,615 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:13,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:36:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:14,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:14,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:14,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:14,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 160 states and 171 transitions. [2024-11-25 02:36:14,711 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2024-11-25 02:36:14,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:36:14,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:14,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:14,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:14,714 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:14,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:36:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:15,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:15,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:15,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:15,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 02:36:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2024-11-25 02:36:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-11-25 02:36:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:36:15,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:15,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:15,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:15,718 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:15,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 02:36:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:16,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:16,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:36:16,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:17,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 02:36:21,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:36:27,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:36:27,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 162 states and 173 transitions. [2024-11-25 02:36:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2024-11-25 02:36:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:36:27,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:27,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:27,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:27,644 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:27,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 02:36:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:29,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:36,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:36:36,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:38,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 02:36:48,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:36:59,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:37:09,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:37:16,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:37:26,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:37:36,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:37:47,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.21s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:37:57,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:07,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:09,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:15,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.81s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:25,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:35,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:42,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:44,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:51,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.21s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:54,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:38:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 189 states and 216 transitions. [2024-11-25 02:38:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 216 transitions. [2024-11-25 02:38:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:38:54,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:54,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:54,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:54,699 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:54,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 02:38:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:55,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:55,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:38:55,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:38:56,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:00,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:01,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:07,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:10,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:14,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 191 states and 222 transitions. [2024-11-25 02:39:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 222 transitions. [2024-11-25 02:39:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 02:39:14,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:14,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:14,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:14,887 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:14,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 02:39:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:15,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:15,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:39:15,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:39:16,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 02:39:25,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:30,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:32,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:38,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.08s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:39,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:39,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 194 states and 229 transitions. [2024-11-25 02:39:39,220 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2024-11-25 02:39:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 02:39:39,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:39,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:39,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:39,222 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:39,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 02:39:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:39,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:40,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:39:40,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:39:40,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 02:39:43,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:44,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:48,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:50,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:59,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.88s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:39:59,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 198 states and 237 transitions. [2024-11-25 02:39:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-11-25 02:39:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:39:59,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:59,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:59,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:59,892 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:59,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 02:40:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:00,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:00,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:40:00,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:40:01,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 02:40:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 199 states and 238 transitions. [2024-11-25 02:40:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2024-11-25 02:40:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 02:40:01,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:01,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:01,313 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:01,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 02:40:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:01,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:02,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:40:02,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:40:02,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:13,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:40:23,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:40:33,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:40:43,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:40:53,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:41:03,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:41:13,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:41:23,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:41:33,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:41:43,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:41:53,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:42:03,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:42:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 202 states and 245 transitions. [2024-11-25 02:42:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 245 transitions. [2024-11-25 02:42:04,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 02:42:04,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:04,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:04,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:04,018 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:04,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 02:42:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:04,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:04,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:42:04,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:42:05,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 02:42:16,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:42:26,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:42:36,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:42:46,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:42:56,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:06,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:16,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:27,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:37,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:47,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:57,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:44:07,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:44:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 205 states and 252 transitions. [2024-11-25 02:44:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2024-11-25 02:44:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:44:07,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:07,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:07,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:07,249 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:07,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 02:44:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:07,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:08,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:44:08,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:44:09,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 02:44:21,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:44:31,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:44:41,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:44:51,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:45:01,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:45:11,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:45:21,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:45:31,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:45:41,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:45:51,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:46:01,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:46:11,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:46:15,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:46:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 204 states and 251 transitions. [2024-11-25 02:46:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2024-11-25 02:46:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:46:15,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:15,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:15,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:15,196 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:15,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 02:46:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:15,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:16,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:46:16,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:46:17,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 02:46:28,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:46:38,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:46:48,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:46:58,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:47:08,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:47:18,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:47:28,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:47:38,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:47:49,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:47:59,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:48:09,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:48:19,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:48:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 203 states and 250 transitions. [2024-11-25 02:48:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 250 transitions. [2024-11-25 02:48:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:48:19,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:19,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:19,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:19,614 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:19,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 02:48:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:19,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:20,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:48:20,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:48:20,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 02:48:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:20,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 202 states and 249 transitions. [2024-11-25 02:48:20,436 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 249 transitions. [2024-11-25 02:48:20,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:48:20,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:20,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:20,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:20,441 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:20,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 02:48:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:20,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:21,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:48:21,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:49:02,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266cf508-89fa-4bf9-82c8-9b29ba2ef851/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 02:49:46,948 WARN L286 SmtUtils]: Spent 10.46s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:49:56,955 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|)))))))) is different from false