./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e401cb5a55548693b1ec0dc85ab970a5c443ca7f94bea25587ee110941770f7d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:03:20,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:03:20,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:03:21,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:03:21,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:03:21,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:03:21,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:03:21,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:03:21,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:03:21,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:03:21,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:03:21,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:03:21,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:03:21,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:03:21,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:03:21,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:03:21,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:03:21,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:03:21,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:03:21,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:03:21,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:03:21,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:03:21,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:03:21,027 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:03:21,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:03:21,027 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:03:21,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:03:21,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:03:21,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:03:21,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:03:21,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:03:21,028 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:03:21,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:03:21,028 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_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e401cb5a55548693b1ec0dc85ab970a5c443ca7f94bea25587ee110941770f7d [2024-12-06 02:03:21,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:03:21,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:03:21,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:03:21,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:03:21,276 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:03:21,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i [2024-12-06 02:03:23,932 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data/d59af46dd/ef6cd89f427a424782dc562c9fba2546/FLAGf6322d79c [2024-12-06 02:03:24,116 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:03:24,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i [2024-12-06 02:03:24,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data/d59af46dd/ef6cd89f427a424782dc562c9fba2546/FLAGf6322d79c [2024-12-06 02:03:24,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data/d59af46dd/ef6cd89f427a424782dc562c9fba2546 [2024-12-06 02:03:24,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:03:24,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:03:24,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:03:24,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:03:24,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:03:24,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cab59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24, skipping insertion in model container [2024-12-06 02:03:24,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:03:24,620 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[1226,1239] [2024-12-06 02:03:24,644 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[2841,2854] [2024-12-06 02:03:24,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:03:24,652 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:03:24,662 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[1226,1239] [2024-12-06 02:03:24,671 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[2841,2854] [2024-12-06 02:03:24,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:03:24,683 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:03:24,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24 WrapperNode [2024-12-06 02:03:24,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:03:24,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:03:24,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:03:24,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:03:24,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,709 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 02:03:24,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:03:24,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:03:24,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:03:24,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:03:24,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,721 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:03:24,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:03:24,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:03:24,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:03:24,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:24" (1/1) ... [2024-12-06 02:03:24,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:03:24,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:03:24,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:03:24,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:03:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:03:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 02:03:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 02:03:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 02:03:24,784 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 02:03:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:03:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:03:24,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:03:24,836 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:03:24,837 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:03:24,971 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 02:03:24,971 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:03:25,019 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:03:25,019 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:03:25,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:03:25 BoogieIcfgContainer [2024-12-06 02:03:25,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:03:25,021 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:03:25,021 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:03:25,028 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:03:25,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:03:25" (1/1) ... [2024-12-06 02:03:25,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:03:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 02:03:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 02:03:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:03:25,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:25,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:03:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 02:03:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 02:03:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:03:25,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:03:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:25,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:03:25,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:04:34,943 WARN L286 SmtUtils]: Spent 21.84s on a formula simplification. DAG size of input: 48 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:04:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:04:51,789 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 02:04:51,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 02:04:51,790 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.conjugatePredicates(CodeChecker.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-12-06 02:04:51,794 INFO L158 Benchmark]: Toolchain (without parser) took 87312.67ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 72.1MB in the end (delta: 45.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-12-06 02:04:51,794 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:04:51,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.71ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 105.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:04:51,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.11ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:04:51,795 INFO L158 Benchmark]: Boogie Preprocessor took 17.89ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:04:51,796 INFO L158 Benchmark]: RCFGBuilder took 291.93ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 85.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:04:51,796 INFO L158 Benchmark]: CodeCheck took 86772.54ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 72.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-12-06 02:04:51,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.71ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 105.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.11ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.89ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 291.93ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 85.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 86772.54ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 72.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e401cb5a55548693b1ec0dc85ab970a5c443ca7f94bea25587ee110941770f7d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:04:53,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:04:53,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:04:53,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:04:53,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:04:53,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:04:53,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:04:53,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:04:53,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:04:53,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:04:53,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:04:53,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:04:53,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:04:53,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:04:53,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:04:53,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:04:53,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:04:53,568 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:04:53,568 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:04:53,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:04:53,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:04:53,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:04:53,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:04:53,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:04:53,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:04:53,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:04:53,569 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:04:53,569 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_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e401cb5a55548693b1ec0dc85ab970a5c443ca7f94bea25587ee110941770f7d [2024-12-06 02:04:53,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:04:53,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:04:53,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:04:53,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:04:53,818 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:04:53,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i [2024-12-06 02:04:56,509 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data/e9b86fcd8/97d652046fc84be4bc8a237831ee85a7/FLAGb51ede3a9 [2024-12-06 02:04:56,690 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:04:56,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i [2024-12-06 02:04:56,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data/e9b86fcd8/97d652046fc84be4bc8a237831ee85a7/FLAGb51ede3a9 [2024-12-06 02:04:57,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/data/e9b86fcd8/97d652046fc84be4bc8a237831ee85a7 [2024-12-06 02:04:57,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:04:57,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:04:57,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:04:57,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:04:57,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:04:57,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59aeecce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57, skipping insertion in model container [2024-12-06 02:04:57,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:04:57,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[1226,1239] [2024-12-06 02:04:57,189 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[2841,2854] [2024-12-06 02:04:57,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:04:57,198 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:04:57,207 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[1226,1239] [2024-12-06 02:04:57,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[2841,2854] [2024-12-06 02:04:57,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:04:57,225 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:04:57,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57 WrapperNode [2024-12-06 02:04:57,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:04:57,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:04:57,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:04:57,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:04:57,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,247 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-12-06 02:04:57,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:04:57,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:04:57,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:04:57,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:04:57,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,259 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:04:57,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:04:57,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:04:57,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:04:57,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:57" (1/1) ... [2024-12-06 02:04:57,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:04:57,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:04:57,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:04:57,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:04:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:04:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:04:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 02:04:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 02:04:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 02:04:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 02:04:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:04:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:04:57,369 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:04:57,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:05:20,916 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 02:05:20,916 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:05:20,964 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:05:20,964 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:05:20,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:20 BoogieIcfgContainer [2024-12-06 02:05:20,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:05:20,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:05:20,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:05:20,971 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:05:20,971 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:20" (1/1) ... [2024-12-06 02:05:20,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:05:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:21,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 02:05:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 02:05:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:05:21,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:21,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:21,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:21,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:21,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:05:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:21,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:21,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:05:21,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:05:21,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:05:22,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:22,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-12-06 02:05:22,405 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-12-06 02:05:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:05:22,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:22,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:22,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:22,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:22,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:05:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:22,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:22,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:05:22,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:05:26,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:05:40,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.55s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:05:45,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:05:48,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:05:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-12-06 02:05:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-12-06 02:05:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:05:48,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:48,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:48,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:48,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:48,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:05:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:48,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:49,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:05:49,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:06:10,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:06:30,961 WARN L286 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 48 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:06:45,071 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:07:11,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.06s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:07:21,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:07:28,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:07:33,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:07:36,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:07:38,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:08:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:07,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2024-12-06 02:08:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-12-06 02:08:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:08:07,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:07,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:07,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:07,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:07,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:08:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:07,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:07,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:08:07,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:30,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 02:08:47,896 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 68 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:09:08,249 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 70 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:09:22,930 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:09:26,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:09:39,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:09:49,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:09:59,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:10:08,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.68s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:10:19,093 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (not (= (_ bv0 32) .cse3)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))) (not (= (_ bv0 32) .cse4)))))))))) is different from false [2024-12-06 02:10:29,179 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (not (= (_ bv0 32) .cse3)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))) (not (= (_ bv0 32) .cse4))))))))))) is different from true [2024-12-06 02:10:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 02:10:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 02:10:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:10:29,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:29,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:29,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:29,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:29,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:10:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:29,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:29,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:10:29,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:10:57,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 02:10:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:57,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 02:10:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 02:10:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:10:57,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:57,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:57,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:57,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:57,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:10:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:57,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:58,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:10:58,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:11:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:11:21,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:11:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:11:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 02:11:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 02:11:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:11:21,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:11:21,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:11:21,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:11:21,304 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:11:21,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:11:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:21,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:11:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:22,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:11:22,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:11:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:11:45,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:11:45,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:11:45,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 02:11:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 02:11:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:11:45,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:11:45,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:11:45,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:11:45,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:11:45,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:11:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:45,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:11:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:46,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:11:46,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:12:10,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:12:10,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 02:12:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 02:12:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:12:10,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:10,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:10,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:12:10,111 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:12:10,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:12:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:10,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:12:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:10,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:12:10,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:12:33,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 02:12:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 02:12:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 02:12:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:12:33,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:33,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:12:33,838 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:12:33,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:12:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:34,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:12:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:35,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:12:35,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:12:42,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:12:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 02:12:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 02:12:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:12:42,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:42,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:42,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:12:42,400 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:12:42,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:12:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:42,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:12:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:43,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:12:43,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:12:50,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 02:12:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 02:12:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 02:12:51,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:12:51,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:51,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:51,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:12:51,135 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:12:51,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:12:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:51,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:12:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:51,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:12:51,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:13:00,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 02:13:00,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 02:13:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 02:13:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:13:00,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:00,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:00,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:00,286 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:00,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:13:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:00,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:01,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:13:01,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:13:23,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 02:13:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 02:13:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 02:13:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:13:23,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:23,717 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:23,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:13:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:24,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:24,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:13:24,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:13:48,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 02:13:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 02:13:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 02:13:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:13:48,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:48,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:48,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:48,287 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:48,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 02:13:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:48,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:50,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:13:50,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:14:14,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 02:14:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 02:14:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 02:14:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:14:14,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:14,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:14,788 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:14,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 02:14:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:15,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:15,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:14:15,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:14:38,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 02:14:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2024-12-06 02:14:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2024-12-06 02:14:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:14:38,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:38,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:38,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:38,953 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:38,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 02:14:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:39,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:39,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:14:39,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:05,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 02:15:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 35 states and 70 transitions. [2024-12-06 02:15:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 70 transitions. [2024-12-06 02:15:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:15:05,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:05,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:05,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:05,181 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:05,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 02:15:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:05,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:05,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:15:05,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:29,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-12-06 02:15:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 36 states and 75 transitions. [2024-12-06 02:15:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 75 transitions. [2024-12-06 02:15:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:15:29,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:29,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:29,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:29,202 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:29,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 02:15:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:29,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:29,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:15:29,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:54,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 02:15:54,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 37 states and 80 transitions. [2024-12-06 02:15:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 80 transitions. [2024-12-06 02:15:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:15:54,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:54,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:54,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:54,645 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:54,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 02:15:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:54,940 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:55,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:15:55,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:02,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 02:16:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:02,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2024-12-06 02:16:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2024-12-06 02:16:02,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:16:02,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:02,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:02,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:02,940 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:02,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 02:16:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:03,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:04,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:16:04,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:26,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 02:16:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2024-12-06 02:16:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2024-12-06 02:16:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:16:26,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:26,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:26,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:26,087 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:26,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 02:16:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:26,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:26,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:16:26,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:48,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 02:16:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:48,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2024-12-06 02:16:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2024-12-06 02:16:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:16:48,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:48,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:16:48,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:16:48,709 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:16:48,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 02:16:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:49,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:16:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:49,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:16:49,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:17:13,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 02:17:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 90 transitions. [2024-12-06 02:17:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 90 transitions. [2024-12-06 02:17:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:17:13,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:13,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:13,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:13,165 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 02:17:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:13,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:14,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:17:14,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:17:36,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 02:17:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 90 transitions. [2024-12-06 02:17:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 90 transitions. [2024-12-06 02:17:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:17:36,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:36,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:36,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:36,648 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:36,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 02:17:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:36,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:17:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:37,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:17:37,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:17:59,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 02:17:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 90 transitions. [2024-12-06 02:17:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 90 transitions. [2024-12-06 02:17:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:17:59,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:59,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:17:59,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:17:59,460 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:17:59,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 02:17:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:59,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:00,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:18:00,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:18:23,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 02:18:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 90 transitions. [2024-12-06 02:18:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 90 transitions. [2024-12-06 02:18:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:18:23,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:23,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:23,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:23,555 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:23,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e1d9f6-d5da-420c-8b31-d61f3792217e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 02:18:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:23,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:24,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:18:24,265 INFO L279 TraceCheckSpWp]: Computing forward predicates...