./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_4.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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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 cdcc8697c8b9bd3a25c95b335058fb611b45ef6a0bd08057dccc283c9b370e3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:57:40,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:57:40,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:57:40,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:57:40,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:57:40,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:57:40,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:57:40,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:57:40,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:57:40,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:57:40,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:57:40,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:57:40,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:57:40,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:57:40,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:57:40,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:57:40,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:57:40,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:57:40,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:57:40,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:57:40,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:57:40,325 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:57:40,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:57:40,325 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:57:40,325 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:57:40,325 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:57:40,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:57:40,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:57:40,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:57:40,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:57:40,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:57:40,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:57:40,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:57:40,326 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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 -> cdcc8697c8b9bd3a25c95b335058fb611b45ef6a0bd08057dccc283c9b370e3d [2024-12-06 04:57:40,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:57:40,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:57:40,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:57:40,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:57:40,535 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:57:40,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_4.i [2024-12-06 04:57:43,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data/550b15965/f239cf7200cc4c73bd873578162989d7/FLAG61ea62457 [2024-12-06 04:57:43,436 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:57:43,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i [2024-12-06 04:57:43,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data/550b15965/f239cf7200cc4c73bd873578162989d7/FLAG61ea62457 [2024-12-06 04:57:43,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data/550b15965/f239cf7200cc4c73bd873578162989d7 [2024-12-06 04:57:43,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:57:43,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:57:43,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:57:43,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:57:43,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:57:43,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566072ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43, skipping insertion in model container [2024-12-06 04:57:43,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:57:43,596 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i[1226,1239] [2024-12-06 04:57:43,619 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i[2862,2875] [2024-12-06 04:57:43,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:57:43,628 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:57:43,637 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i[1226,1239] [2024-12-06 04:57:43,648 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i[2862,2875] [2024-12-06 04:57:43,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:57:43,661 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:57:43,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43 WrapperNode [2024-12-06 04:57:43,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:57:43,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:57:43,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:57:43,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:57:43,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,690 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 04:57:43,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:57:43,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:57:43,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:57:43,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:57:43,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:57:43,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:57:43,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:57:43,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:57:43,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:43" (1/1) ... [2024-12-06 04:57:43,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:57:43,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:57:43,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:57:43,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:57:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:57:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 04:57:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 04:57:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 04:57:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 04:57:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:57:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:57:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:57:43,806 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:57:43,807 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:57:43,965 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 04:57:43,965 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:57:44,012 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:57:44,012 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:57:44,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:44 BoogieIcfgContainer [2024-12-06 04:57:44,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:57:44,013 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:57:44,013 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:57:44,023 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:57:44,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:44" (1/1) ... [2024-12-06 04:57:44,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:57:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:57:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 04:57:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 04:57:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:57:44,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:57:44,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:57:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:57:44,379 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 04:57:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:57:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-12-06 04:57:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-12-06 04:57:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:57:44,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:57:44,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:57:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:57:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:57:44,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:57:44,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:59:17,955 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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 04:59:17,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 04:59:17,957 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:59:17,960 INFO L158 Benchmark]: Toolchain (without parser) took 94493.26ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 97.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-12-06 04:59:17,960 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:59:17,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.54ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 105.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:59:17,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.72ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:59:17,961 INFO L158 Benchmark]: Boogie Preprocessor took 20.51ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.1MB in the end (delta: 966.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:59:17,962 INFO L158 Benchmark]: RCFGBuilder took 300.06ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 85.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:59:17,962 INFO L158 Benchmark]: CodeCheck took 93946.28ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 97.3MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:59:17,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.54ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 105.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.72ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.51ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.1MB in the end (delta: 966.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 300.06ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 85.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 93946.28ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 97.3MB in the end (delta: -11.8MB). There was no memory consumed. 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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 cdcc8697c8b9bd3a25c95b335058fb611b45ef6a0bd08057dccc283c9b370e3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:59:19,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:59:19,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:59:19,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:59:19,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:59:19,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:59:19,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:59:19,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:59:19,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:59:19,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:59:19,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:59:19,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:59:19,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:59:19,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:59:19,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:59:19,730 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:59:19,730 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:59:19,730 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:59:19,730 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:59:19,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:59:19,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:59:19,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:59:19,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:59:19,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:59:19,731 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:59:19,731 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:59:19,731 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:59:19,731 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/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 -> cdcc8697c8b9bd3a25c95b335058fb611b45ef6a0bd08057dccc283c9b370e3d [2024-12-06 04:59:19,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:59:19,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:59:19,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:59:19,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:59:19,969 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:59:19,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_4.i [2024-12-06 04:59:22,665 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data/3afb3c679/cf2ef2d041464abe8c8730b25bef1a75/FLAGcd1a9a5f5 [2024-12-06 04:59:22,848 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:59:22,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i [2024-12-06 04:59:22,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data/3afb3c679/cf2ef2d041464abe8c8730b25bef1a75/FLAGcd1a9a5f5 [2024-12-06 04:59:22,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/data/3afb3c679/cf2ef2d041464abe8c8730b25bef1a75 [2024-12-06 04:59:22,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:59:22,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:59:22,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:59:22,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:59:22,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:59:22,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:59:22" (1/1) ... [2024-12-06 04:59:22,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5123ec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:22, skipping insertion in model container [2024-12-06 04:59:22,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:59:22" (1/1) ... [2024-12-06 04:59:22,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:59:23,031 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i[1226,1239] [2024-12-06 04:59:23,057 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i[2862,2875] [2024-12-06 04:59:23,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:59:23,070 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:59:23,082 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i[1226,1239] [2024-12-06 04:59:23,094 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_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/sv-benchmarks/c/combinations/gcd_3+newton_3_4.i[2862,2875] [2024-12-06 04:59:23,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:59:23,109 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:59:23,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23 WrapperNode [2024-12-06 04:59:23,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:59:23,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:59:23,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:59:23,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:59:23,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,143 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 04:59:23,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:59:23,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:59:23,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:59:23,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:59:23,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:59:23,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:59:23,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:59:23,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:59:23,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:23" (1/1) ... [2024-12-06 04:59:23,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:59:23,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:59:23,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:59:23,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:59:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:59:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:59:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 04:59:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 04:59:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 04:59:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 04:59:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:59:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:59:23,277 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:59:23,278 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:59:47,500 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 04:59:47,501 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:59:47,556 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:59:47,556 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:59:47,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:59:47 BoogieIcfgContainer [2024-12-06 04:59:47,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:59:47,557 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:59:47,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:59:47,566 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:59:47,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:59:47" (1/1) ... [2024-12-06 04:59:47,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:59:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:59:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 04:59:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 04:59:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:59:47,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:59:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:59:47,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:59:47,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:59:47,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:59:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:47,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:59:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:47,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:59:47,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:59:48,330 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 04:59:48,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:59:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:59:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-06 04:59:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-06 04:59:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:59:48,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:59:48,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:59:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:59:48,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:59:48,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:59:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:49,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:59:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:49,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:59:49,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:59:53,687 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 04:59:53,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:00:07,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.58s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:00:14,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:00:17,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:00:17,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-06 05:00:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-06 05:00:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:00:17,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:17,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:17,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:00:17,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:00:17,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:00:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:17,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:00:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:18,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:00:18,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:00:40,147 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 05:00:40,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:01:03,779 WARN L286 SmtUtils]: Spent 11.21s 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 05:01:15,868 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:01:26,747 WARN L286 SmtUtils]: Spent 5.78s 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 05:01:36,327 WARN L286 SmtUtils]: Spent 5.58s 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 05:01:46,357 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 05:01:56,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:02:02,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.58s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:02:06,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:02:17,983 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 05:02:55,851 WARN L286 SmtUtils]: Spent 10.60s 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 05:03:05,904 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 05:03:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:03:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:03:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:03:06,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:06,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:03:06,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:03:06,019 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:03:06,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:03:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:06,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:03:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:07,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:03:07,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:03:12,744 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 05:03:12,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 05:03:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:12,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:03:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:03:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:03:12,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:12,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:03:12,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:03:12,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:03:12,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:03:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:13,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:03:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:13,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:03:13,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:03:42,405 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 05:03:42,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:03:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:03:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:03:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:03:53,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:53,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:03:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:03:53,232 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:03:53,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:03:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:53,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:03:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:54,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:03:54,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:00,501 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 05:04:00,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 05:04:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:00,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:04:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:04:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:04:00,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:00,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:00,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:00,518 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:00,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:04:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:00,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:02,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:04:02,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:08,670 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 05:04:08,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:04:08,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:04:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:04:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:04:08,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:08,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:08,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:08,691 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:08,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:04:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:08,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:09,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:04:09,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:15,554 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 05:04:15,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:04:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-06 05:04:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-06 05:04:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:04:15,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:15,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:15,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:15,579 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:15,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:04:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:15,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:16,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:04:16,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:23,264 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 05:04:23,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:04:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-06 05:04:23,284 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-06 05:04:23,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:04:23,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:23,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:23,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:23,287 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:23,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:04:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:23,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:24,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:04:24,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:05:00,997 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 05:05:01,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:05:22,177 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse2 (_ bv0 32)))) (let ((.cse3 (not .cse4)) (.cse6 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse2)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_53| (_ BitVec 8))) (let ((.cse0 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_53|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))) (_ bv0 32)) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse2 .cse0)))))) .cse3) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_53| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_53|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ 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 .cse2 .cse1))))) (or (and .cse3 (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 .cse2 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (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 .cse6 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse1)))))) is different from false [2024-12-06 05:06:15,084 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse2 (_ bv0 32)))) (let ((.cse3 (not .cse4)) (.cse6 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse2)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_53| (_ BitVec 8))) (let ((.cse0 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_53|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))) (_ bv0 32)) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse2 .cse0)))))) .cse3) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_53| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_53|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ 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 .cse2 .cse1))))) (or (and .cse3 (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 .cse2 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (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 .cse6 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse1))))))) is different from true [2024-12-06 05:06:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-06 05:06:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-06 05:06:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:06:15,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:15,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:15,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:15,089 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:15,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:06:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:15,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:15,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:06:15,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:23,771 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 05:06:23,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 05:06:23,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:23,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-06 05:06:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-06 05:06:23,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:06:23,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:23,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:23,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:23,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:23,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:06:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:24,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:25,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:06:25,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:32,670 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 05:06:32,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:06:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-06 05:06:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-06 05:06:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:06:32,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:32,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:32,689 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:32,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:06:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:33,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:33,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:06:33,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:40,673 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 05:06:40,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:06:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2024-12-06 05:06:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2024-12-06 05:06:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:06:40,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:40,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:40,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:40,691 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:40,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:06:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:41,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:41,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:06:41,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:48,158 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 05:06:48,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:06:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:06:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:06:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:06:48,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:48,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:48,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:48,176 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:48,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:06:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:48,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:49,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:06:49,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:56,769 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 05:06:56,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:06:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:06:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:06:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:06:56,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:56,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:56,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:56,794 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:56,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:06:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:57,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:57,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:06:57,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:04,580 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 05:07:04,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:07:04,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:04,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:07:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:07:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:07:04,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:04,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:04,600 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:04,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:07:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:04,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:05,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:07:05,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:13,053 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 05:07:13,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:07:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:13,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:07:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:07:13,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:07:13,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:13,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:13,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:13,072 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:13,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:07:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:13,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:13,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:07:13,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:21,038 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 05:07:21,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 05:07:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:21,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:07:21,054 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:07:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:07:21,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:21,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:21,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:21,056 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:21,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:07:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:21,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:22,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:07:22,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:30,298 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 05:07:30,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 05:07:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:07:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:07:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:07:30,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:30,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:30,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:30,318 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:30,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 05:07:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:30,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:31,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:07:31,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:05,939 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 05:08:05,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 05:08:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:08:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:08:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:08:06,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:06,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:06,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:06,155 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:06,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 05:08:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:06,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:07,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:08:07,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:14,360 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 05:08:14,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 05:08:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:08:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:08:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:08:14,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:14,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:14,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:14,380 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:14,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 05:08:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:14,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:15,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:08:15,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:23,347 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 05:08:23,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 05:08:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:08:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:08:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:08:23,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:23,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:23,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:23,369 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:23,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 05:08:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:23,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:24,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:08:24,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:32,015 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 05:08:32,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 05:08:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:08:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:08:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:08:32,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:32,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:32,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:32,034 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:32,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 05:08:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:32,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:33,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:08:33,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:39,962 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 05:08:39,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 05:08:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:08:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:08:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:08:39,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:39,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:39,983 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:39,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 05:08:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:40,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:41,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:08:41,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:48,175 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 05:08:48,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 05:08:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:08:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:08:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:08:48,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:48,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:48,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:48,199 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:48,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 05:08:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:48,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:49,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:08:49,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:56,708 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 05:08:56,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 05:08:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:08:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:08:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:08:56,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:56,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:56,728 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:56,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 05:08:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:57,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:59,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:08:59,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:06,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 05:09:06,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:09:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:09:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:09:06,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:06,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:06,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:06,721 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:06,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 05:09:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:07,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:07,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:09:07,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:14,640 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 05:09:14,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 05:09:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:09:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:09:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:09:14,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:14,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:14,660 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:14,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 05:09:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:15,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:15,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:09:15,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:22,857 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 05:09:22,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 05:09:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:09:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:09:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:09:22,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:22,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:22,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:22,882 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:22,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 05:09:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:23,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:23,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:09:23,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:31,433 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 05:09:31,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 05:09:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:09:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:09:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:09:31,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:31,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:31,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:31,451 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:31,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 05:09:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:31,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:32,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:09:32,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:39,168 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 05:09:39,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 05:09:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:09:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:09:39,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:09:39,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:39,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:39,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:39,189 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:39,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 05:09:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:39,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:40,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:09:40,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:12,321 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 05:10:12,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 05:10:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:10:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:10:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:10:12,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:12,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:12,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:12,538 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:12,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 05:10:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:12,906 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:13,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:10:13,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:20,528 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 05:10:20,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 05:10:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:10:20,545 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:10:20,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:10:20,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:20,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:20,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:20,547 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:20,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 05:10:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:20,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:21,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:10:21,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:53,921 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 05:10:53,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 05:10:54,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:10:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:10:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:10:54,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:54,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:54,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:54,128 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:54,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 05:10:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:54,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:55,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:10:55,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:03,447 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 05:11:03,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 05:11:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:11:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:11:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:11:03,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:03,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:03,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:03,465 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:03,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 05:11:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:03,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:04,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:11:04,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:11,842 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 05:11:11,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 05:11:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:11:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:11:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:11:11,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:11,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:11,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:11,861 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 05:11:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:12,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:12,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:11:12,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:20,723 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 05:11:20,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 05:11:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:11:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:11:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:11:20,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:20,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:20,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:20,742 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:20,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 05:11:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:21,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:21,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:11:21,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:30,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 05:11:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:11:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:11:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:11:30,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:30,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:30,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:30,303 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:30,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 05:11:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:30,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:31,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:11:31,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:39,639 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 05:11:39,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 05:11:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:11:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:11:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:11:39,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:39,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:39,662 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:39,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 05:11:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:40,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:40,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:11:40,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:49,696 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 05:11:49,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 05:11:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:11:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:11:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:11:49,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:49,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:49,718 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:49,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 05:11:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:50,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:50,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:11:50,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:58,179 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 05:11:58,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 05:11:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:11:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:11:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:11:58,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:58,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:58,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:58,200 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:58,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 05:11:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:58,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:59,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:11:59,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:06,317 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 05:12:06,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 05:12:06,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:12:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:12:06,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:12:06,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:06,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:06,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:06,337 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:06,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 05:12:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:06,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:07,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:12:07,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:17,409 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 05:12:17,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 05:12:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:12:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:12:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:12:17,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:17,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:17,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:17,429 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:17,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 05:12:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:17,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:18,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:12:18,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:25,306 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 05:12:25,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 05:12:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:12:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:12:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:12:25,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:25,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:25,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:25,328 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:25,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 05:12:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:25,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:26,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:12:26,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:33,559 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 05:12:33,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 05:12:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:12:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:12:33,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:12:33,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:33,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:33,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:33,581 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:33,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 05:12:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:33,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:35,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:12:35,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:42,367 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 05:12:42,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 05:12:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:12:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:12:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:12:42,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:42,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:42,386 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:42,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8065d-fec2-4209-8863-d2ecbbcef1cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 05:12:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:42,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:43,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:12:43,455 INFO L279 TraceCheckSpWp]: Computing forward predicates...