./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/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_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/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_9326c80a-f773-4557-a162-faf0ad6ccff2/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 8b7456a459f55f53693cf2fdc2ecfa85b54010339cb65d2080cc061b58d33cf8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:41:16,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:41:16,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:41:16,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:41:16,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:41:16,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:41:16,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:41:16,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:41:16,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:41:16,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:41:16,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:41:16,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:41:16,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:41:16,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:41:16,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:41:16,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:41:16,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:41:16,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:41:16,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:41:16,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:41:16,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:41:16,680 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:41:16,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:41:16,680 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:41:16,681 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:41:16,681 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:41:16,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:41:16,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:41:16,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:41:16,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:41:16,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:41:16,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:41:16,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:41:16,681 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_9326c80a-f773-4557-a162-faf0ad6ccff2/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 -> 8b7456a459f55f53693cf2fdc2ecfa85b54010339cb65d2080cc061b58d33cf8 [2024-12-06 04:41:16,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:41:16,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:41:16,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:41:16,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:41:16,896 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:41:16,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i [2024-12-06 04:41:19,521 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data/3eaefeafb/7f26e179cd2e4726ab2505c487668441/FLAG1098efede [2024-12-06 04:41:19,716 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:41:19,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i [2024-12-06 04:41:19,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data/3eaefeafb/7f26e179cd2e4726ab2505c487668441/FLAG1098efede [2024-12-06 04:41:20,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data/3eaefeafb/7f26e179cd2e4726ab2505c487668441 [2024-12-06 04:41:20,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:41:20,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:41:20,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:41:20,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:41:20,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:41:20,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cf189f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20, skipping insertion in model container [2024-12-06 04:41:20,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:41:20,226 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_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[1226,1239] [2024-12-06 04:41:20,250 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_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[2841,2854] [2024-12-06 04:41:20,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:41:20,260 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:41:20,269 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_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[1226,1239] [2024-12-06 04:41:20,280 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_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[2841,2854] [2024-12-06 04:41:20,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:41:20,294 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:41:20,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20 WrapperNode [2024-12-06 04:41:20,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:41:20,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:41:20,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:41:20,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:41:20,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,322 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 04:41:20,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:41:20,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:41:20,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:41:20,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:41:20,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:41:20,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:41:20,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:41:20,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:41:20,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:41:20,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:41:20,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:41:20,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:41:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:41:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 04:41:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 04:41:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 04:41:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 04:41:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:41:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:41:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:41:20,439 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:41:20,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:41:20,607 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 04:41:20,607 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:41:20,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:41:20,663 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:41:20,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:20 BoogieIcfgContainer [2024-12-06 04:41:20,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:41:20,664 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:41:20,664 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:41:20,673 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:41:20,674 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:20" (1/1) ... [2024-12-06 04:41:20,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:41:20,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 04:41:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 04:41:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:41:20,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:20,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:41:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:21,030 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 04:41:21,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 04:41:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 04:41:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:41:21,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:21,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:41:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:41:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:21,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:41:21,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:45,185 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 04:44:29,034 WARN L851 $PredicateComparison]: unable to prove that (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) 256)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127))) (<= .cse0 127)) (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_29|)))))))))) is different from false [2024-12-06 04:44:39,864 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main1_~x~0#1| 1))) (and (not (or (< |c_ULTIMATE.start_main1_~x~0#1| 0) (< |c_ULTIMATE.start_main1_~g~0#1| .cse0))) (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) 256)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= .cse0 0) (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (= (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_29|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127))) (<= .cse1 127)) (and (<= 128 .cse1) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (+ .cse1 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_29|)))))))))))) is different from false [2024-12-06 04:46:48,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 04:47:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-12-06 04:47:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-12-06 04:47:00,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:47:00,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:00,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:47:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:47:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:01,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:47:01,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:16,389 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))) (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_34| Int)) (let ((.cse0 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_34|) 256))) (and (<= .cse0 127) (<= |c_ULTIMATE.start_gcd_test_~b#1| .cse0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_34| 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_34| Int)) (and (<= .cse1 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_34|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_34| 0))))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse2 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= .cse2 127) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_34| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_34| 0)) (<= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_34|) 256))))) (and (<= 128 .cse2) (let ((.cse4 (<= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse3 (+ .cse2 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_34| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_34| 1) 0) (<= .cse1 (mod (+ (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_34|) |v_ULTIMATE.start_gcd_test_~b#1_34|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_34| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_34|) (<= .cse1 (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~b#1_34|) (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_34|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_34| 0)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_34| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_34| 1) 0) (= (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_34|) 0))) .cse4) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~b#1_34| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_34|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_34| 0)) (= (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_34|) 0)))))))))))) is different from true [2024-12-06 04:48:39,628 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/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 04:48:39,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 04:48:39,629 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 04:48:39,633 INFO L158 Benchmark]: Toolchain (without parser) took 439526.76ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 117.3MB in the beginning and 233.0MB in the end (delta: -115.7MB). Peak memory consumption was 176.8MB. Max. memory is 16.1GB. [2024-12-06 04:48:39,633 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:48:39,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.17ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:48:39,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.94ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:48:39,634 INFO L158 Benchmark]: Boogie Preprocessor took 19.52ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:48:39,634 INFO L158 Benchmark]: RCFGBuilder took 320.18ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 85.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:48:39,635 INFO L158 Benchmark]: CodeCheck took 438968.03ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 85.2MB in the beginning and 233.0MB in the end (delta: -147.8MB). Peak memory consumption was 143.2MB. Max. memory is 16.1GB. [2024-12-06 04:48:39,637 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 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.17ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.94ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.52ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.18ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 85.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 438968.03ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 85.2MB in the beginning and 233.0MB in the end (delta: -147.8MB). Peak memory consumption was 143.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/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_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/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_9326c80a-f773-4557-a162-faf0ad6ccff2/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 8b7456a459f55f53693cf2fdc2ecfa85b54010339cb65d2080cc061b58d33cf8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:48:41,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:48:41,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:48:41,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:48:41,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:48:41,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:48:41,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:48:41,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:48:41,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:48:41,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:48:41,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:48:41,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:48:41,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:48:41,406 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:48:41,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:48:41,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:48:41,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:48:41,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:48:41,407 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:41,407 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:48:41,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:48:41,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:41,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:48:41,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:48:41,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:48:41,408 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:48:41,408 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:41,408 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:48:41,408 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_9326c80a-f773-4557-a162-faf0ad6ccff2/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 -> 8b7456a459f55f53693cf2fdc2ecfa85b54010339cb65d2080cc061b58d33cf8 [2024-12-06 04:48:41,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:48:41,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:48:41,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:48:41,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:48:41,642 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:48:41,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i [2024-12-06 04:48:44,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data/c9272cfa4/0b111ebe262c4750be887b32c1f4a137/FLAG9fb3d86c4 [2024-12-06 04:48:44,497 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:48:44,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i [2024-12-06 04:48:44,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data/c9272cfa4/0b111ebe262c4750be887b32c1f4a137/FLAG9fb3d86c4 [2024-12-06 04:48:44,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/data/c9272cfa4/0b111ebe262c4750be887b32c1f4a137 [2024-12-06 04:48:44,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:48:44,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:48:44,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:44,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:48:44,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:48:44,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3194f902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44, skipping insertion in model container [2024-12-06 04:48:44,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:48:44,678 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_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[1226,1239] [2024-12-06 04:48:44,703 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_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[2841,2854] [2024-12-06 04:48:44,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:44,715 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:48:44,726 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_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[1226,1239] [2024-12-06 04:48:44,736 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_9326c80a-f773-4557-a162-faf0ad6ccff2/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[2841,2854] [2024-12-06 04:48:44,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:44,752 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:48:44,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44 WrapperNode [2024-12-06 04:48:44,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:44,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:44,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:48:44,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:48:44,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,783 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-12-06 04:48:44,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:44,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:48:44,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:48:44,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:48:44,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,798 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:48:44,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:48:44,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:48:44,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:48:44,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44" (1/1) ... [2024-12-06 04:48:44,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:44,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:48:44,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:48:44,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:48:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:48:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:48:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 04:48:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 04:48:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 04:48:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 04:48:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:48:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:48:44,917 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:48:44,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:49:07,953 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 04:49:07,953 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:49:08,000 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:49:08,000 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:49:08,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:08 BoogieIcfgContainer [2024-12-06 04:49:08,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:49:08,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:49:08,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:49:08,008 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:49:08,008 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:49:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 04:49:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 04:49:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:49:08,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:08,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:08,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:08,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:08,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:49:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:08,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:08,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:49:08,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:08,783 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 04:49:08,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:49:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-12-06 04:49:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-12-06 04:49:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:49:09,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:09,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:09,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:09,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:09,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:49:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:09,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:09,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:49:09,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:14,272 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 04:49:14,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:49:27,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:49:33,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:49:36,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:49:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:36,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-12-06 04:49:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-12-06 04:49:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:49:36,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:36,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:36,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:36,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:36,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:49:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:36,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:37,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:49:37,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:56,977 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 04:49:56,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:50:20,316 WARN L286 SmtUtils]: Spent 10.69s 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 04:50:44,467 WARN L286 SmtUtils]: Spent 7.91s 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 04:50:53,531 WARN L286 SmtUtils]: Spent 5.03s 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 04:51:03,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:51:13,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:51:20,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.68s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:51:24,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:51:34,823 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 04:52:22,685 WARN L286 SmtUtils]: Spent 20.29s 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 04:52:32,741 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 04:52:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-12-06 04:52:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 04:52:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:52:32,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:32,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:32,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:32,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:32,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:52:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:33,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:33,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:52:33,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:12,505 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 04:53:12,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 04:53:33,371 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse0 (_ bv0 32)))) (let ((.cse3 (not .cse4)) (.cse5 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0)))) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse1))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2))) (_ bv0 32))))) .cse3) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse6))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse2))) (_ bv0 32))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse2))))) (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 .cse0 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse2)))) (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 .cse5 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse2)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse2)))))) is different from false [2024-12-06 04:54:13,910 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse0 (_ bv0 32)))) (let ((.cse3 (not .cse4)) (.cse5 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0)))) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse1))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2))) (_ bv0 32))))) .cse3) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse6))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse2))) (_ bv0 32))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse2))))) (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 .cse0 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse2)))) (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 .cse5 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse2)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse2))))))) is different from true [2024-12-06 04:54:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-12-06 04:54:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 04:54:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:54:13,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:13,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:13,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:13,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:13,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:54:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:14,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:14,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:54:14,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:21,076 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 04:54:21,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 04:54:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-06 04:54:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-06 04:54:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:54:21,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:21,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:21,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:21,096 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:21,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:54:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:21,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:21,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:54:21,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:28,098 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 04:54:28,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:54:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-06 04:54:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-06 04:54:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:54:28,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:28,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:28,120 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:54:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:28,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:29,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:54:29,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:34,698 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 04:54:34,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:54:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-06 04:54:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-06 04:54:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:54:34,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:34,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:34,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:34,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:34,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:54:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:35,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:35,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:54:35,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:41,885 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 04:54:41,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:54:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 04:54:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 04:54:41,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:54:41,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:41,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:41,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:41,904 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:41,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:54:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:42,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:42,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:54:42,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:55,233 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 04:54:55,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:55:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 04:55:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 04:55:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:55:04,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:04,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:55:04,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:55:04,154 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:55:04,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:55:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:04,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:55:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:04,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:55:04,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:55:10,600 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 04:55:10,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 04:55:10,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-12-06 04:55:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-12-06 04:55:10,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:55:10,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:10,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:55:10,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:55:10,623 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:55:10,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 04:55:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:10,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:55:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:11,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:55:11,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:55:17,336 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 04:55:17,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 04:55:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-12-06 04:55:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-12-06 04:55:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:55:17,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:17,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:55:17,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:55:17,356 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:55:17,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:55:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:17,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:55:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:18,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:55:18,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:55:50,140 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 04:55:50,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 04:56:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-12-06 04:56:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-12-06 04:56:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:56:05,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:05,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:56:05,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:56:05,542 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:56:05,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 04:56:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:05,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:56:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:06,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:56:06,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:56:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:56:13,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 04:56:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-12-06 04:56:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-12-06 04:56:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:56:13,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:13,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:56:13,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:56:13,163 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:56:13,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 04:56:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:13,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:56:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:14,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:56:14,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:56:21,308 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 04:56:21,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 04:56:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-12-06 04:56:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-12-06 04:56:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:56:21,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:21,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:56:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:56:21,333 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:56:21,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 04:56:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:21,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:56:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:22,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:56:22,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:56:31,435 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 04:56:31,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 04:56:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-12-06 04:56:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-12-06 04:56:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:56:31,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:31,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:56:31,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:56:31,454 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:56:31,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326c80a-f773-4557-a162-faf0ad6ccff2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 04:56:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:31,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:56:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:32,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:56:32,228 INFO L279 TraceCheckSpWp]: Computing forward predicates...