./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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 cc7e3777189fad7ccb3c88448fa9a78354a62d55c3114c1026ddd9265244ab9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:05:16,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:05:16,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:05:16,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:05:16,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:05:16,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:05:16,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:05:16,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:05:16,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:05:16,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:05:16,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:05:16,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:05:16,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:05:16,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:05:16,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:05:16,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:05:16,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:05:16,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:05:16,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:05:16,719 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:05:16,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:05:16,719 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:05:16,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:05:16,719 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:05:16,719 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:05:16,719 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:05:16,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:05:16,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:05:16,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:05:16,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:05:16,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:05:16,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:05:16,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:05:16,720 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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 -> cc7e3777189fad7ccb3c88448fa9a78354a62d55c3114c1026ddd9265244ab9e [2024-12-06 01:05:16,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:05:16,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:05:16,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:05:16,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:05:16,937 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:05:16,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i [2024-12-06 01:05:19,595 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data/61bb0f482/6498d201d0af4013b210ca1304715a3b/FLAG016f7fae5 [2024-12-06 01:05:19,759 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:05:19,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i [2024-12-06 01:05:19,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data/61bb0f482/6498d201d0af4013b210ca1304715a3b/FLAG016f7fae5 [2024-12-06 01:05:20,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data/61bb0f482/6498d201d0af4013b210ca1304715a3b [2024-12-06 01:05:20,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:05:20,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:05:20,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:05:20,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:05:20,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:05:20,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db255d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20, skipping insertion in model container [2024-12-06 01:05:20,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:05:20,289 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[1226,1239] [2024-12-06 01:05:20,315 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[2862,2875] [2024-12-06 01:05:20,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:05:20,326 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:05:20,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[1226,1239] [2024-12-06 01:05:20,346 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[2862,2875] [2024-12-06 01:05:20,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:05:20,361 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:05:20,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20 WrapperNode [2024-12-06 01:05:20,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:05:20,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:05:20,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:05:20,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:05:20,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,393 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 01:05:20,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:05:20,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:05:20,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:05:20,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:05:20,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,406 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:05:20,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:05:20,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:05:20,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:05:20,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:05:20,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:05:20,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:05:20,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:05:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:05:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:05:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:05:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:05:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:05:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:05:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:05:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:05:20,532 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:05:20,534 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:05:20,693 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 01:05:20,693 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:05:20,743 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:05:20,743 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:05:20,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:20 BoogieIcfgContainer [2024-12-06 01:05:20,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:05:20,745 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:05:20,745 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:05:20,753 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:05:20,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:20" (1/1) ... [2024-12-06 01:05:20,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:05:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 01:05:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 01:05:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:05:20,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:21,112 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 01:05:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-12-06 01:05:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-12-06 01:05:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:05:21,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:21,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:05:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:21,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 01:05:21,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:05:59,774 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 01:06:05,627 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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 01:06:05,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 01:06:05,628 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) 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 01:06:05,632 INFO L158 Benchmark]: Toolchain (without parser) took 45485.59ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 78.6MB in the end (delta: 38.9MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,632 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:05,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.31ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 105.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.05ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:05,633 INFO L158 Benchmark]: Boogie Preprocessor took 20.53ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.8MB in the end (delta: 928.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:05,634 INFO L158 Benchmark]: RCFGBuilder took 329.32ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 85.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,634 INFO L158 Benchmark]: CodeCheck took 44886.12ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 78.6MB in the end (delta: 6.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,636 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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 is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.31ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 105.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.05ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.53ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.8MB in the end (delta: 928.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.32ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 85.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 44886.12ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 78.6MB in the end (delta: 6.4MB). Peak memory consumption was 13.4MB. 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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 cc7e3777189fad7ccb3c88448fa9a78354a62d55c3114c1026ddd9265244ab9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:06:07,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:06:07,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:06:07,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:06:07,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:06:07,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:06:07,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:06:07,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:06:07,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:06:07,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:06:07,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:06:07,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:06:07,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:06:07,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:06:07,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:06:07,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:06:07,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:06:07,401 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:06:07,401 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:06:07,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:06:07,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:06:07,402 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:06:07,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:06:07,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:06:07,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:06:07,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:06:07,402 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:07,402 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:06:07,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:06:07,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:07,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:06:07,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:06:07,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:06:07,403 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:06:07,403 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:07,403 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:06:07,403 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/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 -> cc7e3777189fad7ccb3c88448fa9a78354a62d55c3114c1026ddd9265244ab9e [2024-12-06 01:06:07,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:06:07,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:06:07,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:06:07,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:06:07,650 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:06:07,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i [2024-12-06 01:06:10,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data/a403fdd18/ae6f6b4d92cc4857b65788ae128d9a4f/FLAG142bd7923 [2024-12-06 01:06:10,507 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:06:10,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i [2024-12-06 01:06:10,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data/a403fdd18/ae6f6b4d92cc4857b65788ae128d9a4f/FLAG142bd7923 [2024-12-06 01:06:10,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/data/a403fdd18/ae6f6b4d92cc4857b65788ae128d9a4f [2024-12-06 01:06:10,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:06:10,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:06:10,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:10,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:06:10,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:06:10,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:10" (1/1) ... [2024-12-06 01:06:10,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6549aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:10, skipping insertion in model container [2024-12-06 01:06:10,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:10" (1/1) ... [2024-12-06 01:06:10,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:06:11,038 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[1226,1239] [2024-12-06 01:06:11,062 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[2862,2875] [2024-12-06 01:06:11,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:11,073 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:06:11,082 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[1226,1239] [2024-12-06 01:06:11,092 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_9d212f7c-03d7-4bc9-be2b-921fbd2301de/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[2862,2875] [2024-12-06 01:06:11,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:11,106 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:06:11,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11 WrapperNode [2024-12-06 01:06:11,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:11,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:11,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:06:11,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:06:11,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,134 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 01:06:11,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:11,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:06:11,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:06:11,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:06:11,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,152 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:06:11,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:06:11,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:06:11,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:06:11,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:11" (1/1) ... [2024-12-06 01:06:11,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:11,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:06:11,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:06:11,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:06:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:06:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:06:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:06:11,211 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:06:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:06:11,211 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:06:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:06:11,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:06:11,265 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:06:11,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:06:43,184 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 01:06:43,184 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:06:43,237 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:06:43,237 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:06:43,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:43 BoogieIcfgContainer [2024-12-06 01:06:43,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:06:43,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:06:43,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:06:43,244 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:06:43,245 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:43" (1/1) ... [2024-12-06 01:06:43,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:06:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 01:06:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 01:06:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:06:43,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:43,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:43,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:43,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:43,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:06:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:43,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:43,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:06:43,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:44,031 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 01:06:44,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:06:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-06 01:06:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-06 01:06:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:06:44,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:44,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:44,663 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:06:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:44,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:44,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:06:44,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:49,621 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 01:06:49,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:07:04,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.20s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:07:11,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:07:15,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:07:15,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-06 01:07:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-06 01:07:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:07:15,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:15,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:15,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:15,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:15,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:07:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:15,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:16,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:07:16,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:37,609 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 01:07:37,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:08:01,642 WARN L286 SmtUtils]: Spent 11.00s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:08:29,001 WARN L286 SmtUtils]: Spent 7.95s 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 01:08:38,074 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:08:48,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:08:58,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:09:04,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.42s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:09:06,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:09:08,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:09:19,721 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 01:10:07,702 WARN L286 SmtUtils]: Spent 19.78s on a formula simplification. DAG size of input: 38 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:10:17,753 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 01:10:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 01:10:17,925 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 01:10:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:10:17,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:17,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:17,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:17,927 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:17,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:10:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:18,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:18,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:10:18,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:25,008 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 01:10:25,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 01:10:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 01:10:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 01:10:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:10:25,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:25,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:25,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:25,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:25,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:10:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:25,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:25,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:10:25,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:31,269 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 01:10:31,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:10:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 01:10:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 01:10:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:10:31,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:31,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:31,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:31,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:31,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:10:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:31,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:32,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:10:32,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:03,520 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 01:11:03,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:11:16,708 WARN L286 SmtUtils]: Spent 9.30s on a formula simplification. DAG size of input: 72 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:11:47,483 WARN L286 SmtUtils]: Spent 17.33s on a formula simplification. DAG size of input: 73 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:12:10,611 WARN L286 SmtUtils]: Spent 9.36s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:12:21,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:12:31,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:12:36,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:12:38,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:12:39,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:12:49,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:12:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-06 01:12:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-06 01:12:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:12:50,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:50,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:50,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:50,327 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:50,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:12:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:50,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:51,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:12:51,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:56,823 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 01:12:56,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 01:12:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-06 01:12:57,025 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-06 01:12:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:12:57,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:57,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:57,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:57,028 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:57,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:12:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:57,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:57,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:12:57,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:28,588 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 01:13:28,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:13:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2024-12-06 01:13:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2024-12-06 01:13:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:13:28,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:28,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:28,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:28,794 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:28,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:13:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:29,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:30,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:13:30,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:37,583 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 01:13:37,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:13:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2024-12-06 01:13:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2024-12-06 01:13:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:13:37,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:37,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:37,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:37,599 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:37,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:13:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:37,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:38,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:13:38,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:44,556 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 01:13:44,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:13:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 01:13:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 01:13:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:13:44,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:44,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:44,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:44,576 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:44,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:13:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:44,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:45,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:13:45,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:52,024 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 01:13:52,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:13:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 01:13:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 01:13:52,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:13:52,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:52,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:52,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:52,042 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:52,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:13:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:52,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:52,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:13:52,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:59,743 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 01:13:59,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:13:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-06 01:13:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-06 01:13:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:13:59,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:59,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:59,946 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:59,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:14:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:00,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:00,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:14:00,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:31,226 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 01:14:31,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:14:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-06 01:14:31,427 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-06 01:14:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:14:31,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:31,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:31,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:31,429 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:31,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:14:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:31,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:33,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:14:33,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:39,883 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 01:14:39,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:14:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:14:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:14:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:14:39,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:39,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:39,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:39,899 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:39,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:14:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:40,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:40,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:14:40,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:47,615 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 01:14:47,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:14:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:14:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:14:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:14:47,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:47,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:47,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:47,633 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:47,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:14:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:47,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:48,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:14:48,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:55,115 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 01:14:55,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:14:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:14:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:14:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:14:55,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:55,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:55,134 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:55,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:14:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:55,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:55,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:14:55,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:03,062 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 01:15:03,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:15:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:03,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:15:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:15:03,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:15:03,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:03,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:03,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:03,081 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:03,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:15:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:03,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:03,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:15:03,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:09,942 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 01:15:09,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:15:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:15:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:15:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:15:09,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:09,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:09,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:09,968 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:09,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:15:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:10,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:11,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:15:11,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:19,160 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 01:15:19,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:15:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:15:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:15:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:15:19,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:19,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:19,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:19,181 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:19,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:15:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:19,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:20,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:15:20,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:26,954 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 01:15:26,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:15:26,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:15:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:15:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:15:26,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:26,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:26,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:26,973 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:26,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:15:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:27,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:27,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:15:27,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:35,925 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 01:15:35,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 01:15:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:15:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:15:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:15:36,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:36,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:36,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:36,092 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:36,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:15:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:36,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:36,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:15:36,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:43,602 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 01:15:43,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 01:15:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:15:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:15:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:15:43,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:43,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:43,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:43,768 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:43,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 01:15:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:44,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:44,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:15:44,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:52,102 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 01:15:52,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 01:15:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:15:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:15:52,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:15:52,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:52,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:52,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:52,119 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:52,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 01:15:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:52,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:53,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:15:53,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:00,841 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 01:16:00,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 01:16:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:00,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:16:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:16:00,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:16:00,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:00,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:00,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:00,863 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:00,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 01:16:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:01,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:01,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:16:01,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:43,348 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 01:16:43,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 01:17:06,946 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse0 (bvslt .cse6 (_ bv0 32)))) (let ((.cse4 (not .cse0)) (.cse1 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse6)))) (.cse3 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_98| (_ BitVec 8))) (let ((.cse2 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_98|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse1 .cse2))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse2 .cse3))) (_ bv0 32)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_98| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_98|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse3))) (_ bv0 32)) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse6 .cse5)))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse3))))) (or (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse6 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse3)))) (not (= (_ bv0 32) .cse7)))))) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse1 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse3)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse3)))))) is different from false [2024-12-06 01:17:50,785 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse6 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse0 (bvslt .cse6 (_ bv0 32)))) (let ((.cse4 (not .cse0)) (.cse1 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse6)))) (.cse3 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_98| (_ BitVec 8))) (let ((.cse2 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_98|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse1 .cse2))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse2 .cse3))) (_ bv0 32)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_98| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_98|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse3))) (_ bv0 32)) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse6 .cse5)))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse3))))) (or (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse6 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse3)))) (not (= (_ bv0 32) .cse7)))))) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse1 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse3)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse3))))))) is different from true [2024-12-06 01:17:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:17:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:17:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:17:50,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:50,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:50,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:50,790 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:50,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 01:17:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:51,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:52,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:17:52,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:00,679 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 01:18:00,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-12-06 01:18:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:18:00,915 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:18:00,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:18:00,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:00,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:00,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:00,917 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:00,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 01:18:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:01,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:02,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:18:02,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:11,467 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 01:18:11,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 01:18:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:18:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:18:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:18:11,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:11,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:11,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:11,671 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:11,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 01:18:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:12,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:13,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:18:13,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:19,882 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 01:18:19,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 01:18:20,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:20,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:18:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:18:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:18:20,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:20,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:20,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:20,090 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:20,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 01:18:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:20,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:21,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:18:21,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:28,589 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 01:18:28,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 01:18:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:18:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:18:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:18:28,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:28,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:28,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:28,794 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:28,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 01:18:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:29,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:29,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:18:29,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:03,799 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 01:19:03,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 01:19:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:19:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:19:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:19:03,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:03,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:03,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:03,818 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:03,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 01:19:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:04,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:05,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:19:05,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:12,365 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 01:19:12,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 01:19:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:12,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:19:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:19:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:19:12,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:12,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:12,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:12,564 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:12,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 01:19:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:12,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:13,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:19:13,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:19,509 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 01:19:19,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 01:19:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:19:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:19:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:19:19,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:19,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:19,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:19,739 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:19,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 01:19:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:20,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:20,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:19:20,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:27,145 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 01:19:27,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 01:19:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:27,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:19:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:19:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:19:27,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:27,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:27,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:27,327 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:27,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 01:19:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:27,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:28,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:19:28,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:34,951 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 01:19:34,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 01:19:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:19:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:19:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:19:35,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:35,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:35,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:35,138 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:35,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 01:19:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:35,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:36,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:19:36,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:06,006 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 01:20:06,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 01:20:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:20:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:20:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:20:06,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:06,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:06,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:06,021 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:06,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 01:20:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:06,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:06,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:20:06,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:12,638 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 01:20:12,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 01:20:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:20:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:20:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:20:12,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:12,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:12,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:12,820 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:12,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 01:20:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:13,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:13,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:20:13,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:19,225 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 01:20:19,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 01:20:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:20:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:20:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:20:19,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:19,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:19,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:19,408 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:19,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 01:20:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:19,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:20,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:20:20,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:26,728 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 01:20:26,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 01:20:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:20:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:20:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:20:26,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:26,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:26,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:26,909 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:26,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 01:20:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:27,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:28,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:20:28,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:34,428 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 01:20:34,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 01:20:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 01:20:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 01:20:34,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:20:34,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:34,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:34,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:34,618 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:34,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d212f7c-03d7-4bc9-be2b-921fbd2301de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 01:20:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:34,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:35,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:20:35,247 INFO L279 TraceCheckSpWp]: Computing forward predicates...