./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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 f5a5fcfdef398824c80e5dd00ccb13245b1aba31a53b04be2e0e92d8a739e53d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:03:17,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:03:17,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:03:17,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:03:17,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:03:17,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:03:17,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:03:17,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:03:17,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:03:17,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:03:17,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:03:17,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:03:17,188 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:03:17,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:03:17,188 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:03:17,188 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:03:17,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:03:17,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:03:17,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:03:17,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:03:17,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:03:17,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:03:17,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:03:17,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:03:17,189 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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 -> f5a5fcfdef398824c80e5dd00ccb13245b1aba31a53b04be2e0e92d8a739e53d [2024-12-05 23:03:17,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:03:17,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:03:17,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:03:17,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:03:17,437 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:03:17,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i [2024-12-05 23:03:17,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data/4222f49b8/7f68a25bdcc943a1b072f5c84c68dd18/FLAGbdce6cba8 [2024-12-05 23:03:22,417 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:03:22,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i [2024-12-05 23:03:22,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data/4222f49b8/7f68a25bdcc943a1b072f5c84c68dd18/FLAGbdce6cba8 [2024-12-05 23:03:22,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data/4222f49b8/7f68a25bdcc943a1b072f5c84c68dd18 [2024-12-05 23:03:22,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:03:22,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:03:22,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:03:22,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:03:22,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:03:22,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:22,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189a7e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22, skipping insertion in model container [2024-12-05 23:03:22,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:22,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:03:22,896 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[1226,1239] [2024-12-05 23:03:22,921 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[2862,2875] [2024-12-05 23:03:22,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:03:22,931 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:03:22,940 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[1226,1239] [2024-12-05 23:03:22,951 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[2862,2875] [2024-12-05 23:03:22,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:03:22,964 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:03:22,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22 WrapperNode [2024-12-05 23:03:22,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:03:22,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:03:22,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:03:22,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:03:22,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:22,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:22,995 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-05 23:03:22,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:03:22,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:03:22,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:03:22,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:03:23,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,009 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:03:23,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:03:23,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:03:23,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:03:23,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:22" (1/1) ... [2024-12-05 23:03:23,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:03:23,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:03:23,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:03:23,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:03:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:03:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 23:03:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 23:03:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 23:03:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 23:03:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:03:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:03:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:03:23,119 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:03:23,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:03:23,292 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-05 23:03:23,292 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:03:23,347 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:03:23,347 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:03:23,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:03:23 BoogieIcfgContainer [2024-12-05 23:03:23,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:03:23,348 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:03:23,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:03:23,356 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:03:23,356 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:03:23" (1/1) ... [2024-12-05 23:03:23,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:03:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-05 23:03:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-05 23:03:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:03:23,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:23,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:03:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:03:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-12-05 23:03:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-12-05 23:03:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:03:23,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:23,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:03:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:03:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:23,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:03:23,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:04,253 WARN L286 SmtUtils]: Spent 13.28s on a formula simplification. DAG size of input: 48 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:05:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:12,287 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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") [2024-12-05 23:05:12,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-05 23:05:12,288 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-12-05 23:05:12,291 INFO L158 Benchmark]: Toolchain (without parser) took 109524.78ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 81.2MB in the end (delta: 35.9MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-12-05 23:05:12,291 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:05:12,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.26ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 105.0MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:05:12,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:05:12,293 INFO L158 Benchmark]: Boogie Preprocessor took 20.45ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.5MB in the end (delta: 837.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:05:12,293 INFO L158 Benchmark]: RCFGBuilder took 330.27ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 84.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:05:12,293 INFO L158 Benchmark]: CodeCheck took 108942.55ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 81.2MB in the end (delta: 3.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-12-05 23:05:12,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.26ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 105.0MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.25ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.45ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.5MB in the end (delta: 837.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.27ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 84.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 108942.55ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 81.2MB in the end (delta: 3.5MB). Peak memory consumption was 12.8MB. 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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 f5a5fcfdef398824c80e5dd00ccb13245b1aba31a53b04be2e0e92d8a739e53d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:05:13,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:05:14,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:05:14,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:05:14,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:05:14,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:05:14,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:05:14,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:05:14,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:05:14,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:05:14,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:05:14,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:05:14,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:05:14,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:05:14,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:05:14,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:05:14,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:05:14,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:05:14,095 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:14,095 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:05:14,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:05:14,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:05:14,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:05:14,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:05:14,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:05:14,096 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:05:14,096 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:14,096 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:05:14,096 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/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 -> f5a5fcfdef398824c80e5dd00ccb13245b1aba31a53b04be2e0e92d8a739e53d [2024-12-05 23:05:14,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:05:14,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:05:14,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:05:14,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:05:14,338 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:05:14,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i [2024-12-05 23:05:16,934 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data/72daa0efb/2b8b6b0723f54dc6b41b56b9d542bfe7/FLAG98097b6dc [2024-12-05 23:05:17,147 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:05:17,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i [2024-12-05 23:05:17,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data/72daa0efb/2b8b6b0723f54dc6b41b56b9d542bfe7/FLAG98097b6dc [2024-12-05 23:05:17,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/data/72daa0efb/2b8b6b0723f54dc6b41b56b9d542bfe7 [2024-12-05 23:05:17,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:05:17,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:05:17,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:05:17,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:05:17,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:05:17,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad577a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17, skipping insertion in model container [2024-12-05 23:05:17,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:05:17,663 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[1226,1239] [2024-12-05 23:05:17,688 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[2862,2875] [2024-12-05 23:05:17,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:05:17,700 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:05:17,709 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[1226,1239] [2024-12-05 23:05:17,720 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_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[2862,2875] [2024-12-05 23:05:17,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:05:17,733 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:05:17,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17 WrapperNode [2024-12-05 23:05:17,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:05:17,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:05:17,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:05:17,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:05:17,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,759 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-05 23:05:17,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:05:17,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:05:17,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:05:17,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:05:17,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,773 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:05:17,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:05:17,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:05:17,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:05:17,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:05:17" (1/1) ... [2024-12-05 23:05:17,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:05:17,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:05:17,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:05:17,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:05:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:05:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:05:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 23:05:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 23:05:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 23:05:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 23:05:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:05:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:05:17,908 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:05:17,910 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:05:42,273 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-05 23:05:42,273 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:05:42,318 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:05:42,318 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:05:42,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:05:42 BoogieIcfgContainer [2024-12-05 23:05:42,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:05:42,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:05:42,319 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:05:42,326 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:05:42,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:05:42" (1/1) ... [2024-12-05 23:05:42,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:05:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-05 23:05:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-05 23:05:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:05:42,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:42,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:42,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:42,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:42,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:05:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:42,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:42,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:05:42,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:43,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:05:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-05 23:05:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-05 23:05:43,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:05:43,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:43,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:43,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:43,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:43,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:05:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:43,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:43,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:05:44,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:48,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:06:03,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.58s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:06:10,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:06:13,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:06:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-05 23:06:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-05 23:06:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:06:13,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:13,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:13,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:13,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:13,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:06:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:13,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:13,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:06:13,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:06:34,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:06:57,860 WARN L286 SmtUtils]: Spent 10.89s 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) [2024-12-05 23:07:11,330 WARN L286 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:07:30,989 WARN L286 SmtUtils]: Spent 5.39s 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) [2024-12-05 23:07:41,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:07:51,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:07:58,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.26s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:08:04,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:08:10,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:08:21,186 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 [2024-12-05 23:09:05,620 WARN L286 SmtUtils]: Spent 18.50s 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) [2024-12-05 23:09:15,665 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 [2024-12-05 23:09:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-05 23:09:15,794 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-05 23:09:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:09:15,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:15,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:09:15,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:09:15,796 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:09:15,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:09:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:16,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:09:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:16,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:09:16,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:09:45,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 23:10:07,626 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 [2024-12-05 23:10:46,253 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)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (not (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse2 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse2))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse2 .cse1))) (_ 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 .cse1))) (_ bv0 32))))))) (not (= (_ bv0 32) .cse1)))) (or (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1)))) (not (= (_ bv0 32) .cse8))))))))))) is different from false [2024-12-05 23:10:56,484 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 [2024-12-05 23:10:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-05 23:10:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-05 23:10:57,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:10:57,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:57,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:10:57,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:10:57,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:10:57,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:10:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:57,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:10:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:58,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:10:58,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:10,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-05 23:11:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-05 23:11:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-05 23:11:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:11:12,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:12,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:12,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:12,353 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:12,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:11:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:12,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:13,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:11:13,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:19,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:11:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-05 23:11:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-05 23:11:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:11:19,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:19,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:19,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:19,975 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:19,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:11:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:20,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:20,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:11:20,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:31,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:31,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:11:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-05 23:11:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-05 23:11:32,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:11:32,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:32,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:32,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:32,666 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:32,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:11:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:32,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:33,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:11:33,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:40,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:11:40,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-05 23:11:40,405 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-05 23:11:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:11:40,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:40,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:40,407 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:40,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:11:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:40,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:41,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:11:41,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:48,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:48,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:11:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2024-12-05 23:11:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2024-12-05 23:11:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:11:48,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:48,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:48,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:48,955 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:48,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:11:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:49,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:49,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:11:49,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:56,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:11:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-05 23:11:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-05 23:11:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:11:56,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:56,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:56,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:56,552 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:56,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:11:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:56,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:57,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:11:57,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:06,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:12:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:06,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-05 23:12:06,372 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-05 23:12:06,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:06,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:06,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:06,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:06,374 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:06,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:12:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:06,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:07,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:12:07,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:13,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 23:12:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-05 23:12:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-05 23:12:13,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:13,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:13,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:13,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:13,294 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:13,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:12:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:13,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:14,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:12:14,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:19,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:12:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-05 23:12:19,719 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-05 23:12:19,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:19,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:19,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:19,721 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:19,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:12:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:20,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:20,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:12:20,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:26,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:12:26,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-05 23:12:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-05 23:12:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:26,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:26,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:26,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:26,218 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:26,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:12:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:26,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:27,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:12:27,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:33,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:12:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-05 23:12:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-05 23:12:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:33,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:33,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:33,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:33,892 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:33,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:12:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:34,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:34,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:12:34,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:40,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:40,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:12:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-05 23:12:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-05 23:12:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:40,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:40,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:40,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:40,768 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:40,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:12:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:41,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:41,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:12:41,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:47,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 23:12:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-05 23:12:47,424 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-05 23:12:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:47,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:47,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:47,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:47,426 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:47,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:12:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:47,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:48,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:12:48,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:55,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 23:12:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-05 23:12:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-05 23:12:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:55,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:55,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:55,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:55,065 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:55,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 23:12:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:55,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:55,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:12:55,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:05,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:05,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 23:13:18,758 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)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (not (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse2 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse2))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse2 .cse1))) (_ 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 .cse1))) (_ bv0 32))))))) (not (= (_ bv0 32) .cse1)))) (or (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1)))) (not (= (_ bv0 32) .cse8)))))))))))) is different from true [2024-12-05 23:13:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 90 transitions. [2024-12-05 23:13:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 90 transitions. [2024-12-05 23:13:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:13:18,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:18,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:18,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:18,762 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:18,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 23:13:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:19,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:19,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:13:19,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:25,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-12-05 23:13:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 90 transitions. [2024-12-05 23:13:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 90 transitions. [2024-12-05 23:13:25,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:13:25,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:25,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:25,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:25,482 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:25,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 23:13:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:25,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:26,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:13:26,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:32,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 23:13:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 90 transitions. [2024-12-05 23:13:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 90 transitions. [2024-12-05 23:13:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:13:32,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:32,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:32,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:32,388 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:32,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 23:13:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:32,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:33,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:13:33,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:39,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 23:13:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 90 transitions. [2024-12-05 23:13:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 90 transitions. [2024-12-05 23:13:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:13:39,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:39,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:39,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:39,674 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:39,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 23:13:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:40,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:40,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:13:40,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:48,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 23:13:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:48,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 42 states and 95 transitions. [2024-12-05 23:13:48,673 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 95 transitions. [2024-12-05 23:13:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:13:48,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:48,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:48,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:48,676 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:48,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 23:13:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:49,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:49,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:13:49,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:58,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 23:13:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 42 states and 95 transitions. [2024-12-05 23:13:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 95 transitions. [2024-12-05 23:13:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:13:58,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:58,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:58,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:58,815 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:58,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 23:13:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:59,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:00,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:14:00,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:07,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 23:14:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:07,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 43 states and 100 transitions. [2024-12-05 23:14:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 100 transitions. [2024-12-05 23:14:07,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:14:07,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:07,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:07,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:07,452 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:07,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 23:14:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:07,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:08,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:14:08,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:14,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 23:14:14,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:14,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 44 states and 105 transitions. [2024-12-05 23:14:14,811 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 105 transitions. [2024-12-05 23:14:14,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:14:14,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:14,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:14,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:14,814 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:14,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 23:14:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:15,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:15,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:14:15,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:22,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 23:14:22,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:22,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 44 states and 105 transitions. [2024-12-05 23:14:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 105 transitions. [2024-12-05 23:14:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:14:22,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:22,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:22,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:22,844 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:22,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 23:14:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:23,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:23,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:14:23,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:30,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 23:14:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 44 states and 105 transitions. [2024-12-05 23:14:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 105 transitions. [2024-12-05 23:14:30,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:14:30,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:30,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:30,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:30,333 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:30,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 23:14:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:30,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:31,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:14:31,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:38,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 23:14:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2024-12-05 23:14:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2024-12-05 23:14:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:14:38,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:38,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:38,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:38,599 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:38,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 23:14:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:38,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:39,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:14:39,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:46,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 23:14:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2024-12-05 23:14:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2024-12-05 23:14:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:14:46,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:46,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:46,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:46,816 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:46,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 23:14:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:47,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:47,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:14:47,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:55,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 23:14:55,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2024-12-05 23:14:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2024-12-05 23:14:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:14:55,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:55,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:55,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:55,110 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:55,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 23:14:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:55,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:55,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:14:55,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:15:01,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 23:15:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2024-12-05 23:15:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2024-12-05 23:15:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:15:01,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:01,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:15:01,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:15:01,932 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:15:01,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 23:15:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:02,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:15:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:02,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:15:02,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:15:09,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 23:15:09,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:09,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2024-12-05 23:15:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2024-12-05 23:15:09,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:15:09,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:15:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:15:09,655 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:15:09,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 23:15:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:09,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:15:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:10,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:15:10,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:15:17,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 23:15:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2024-12-05 23:15:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2024-12-05 23:15:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:15:17,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:17,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:15:17,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:15:17,038 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:15:17,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 23:15:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:17,336 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:15:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:18,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:15:18,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:15:23,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 23:15:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2024-12-05 23:15:23,828 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2024-12-05 23:15:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:15:23,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:23,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:15:23,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:15:23,830 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:15:23,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 23:15:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:24,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:15:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:25,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:15:25,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:01,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 23:16:18,431 WARN L286 SmtUtils]: Spent 10.98s on a formula simplification. DAG size of input: 72 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:16:48,887 WARN L286 SmtUtils]: Spent 13.48s on a formula simplification. DAG size of input: 73 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:17:12,426 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:17:14,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:17:24,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:17:32,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.46s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:17:36,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:17:38,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:17:41,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:17:51,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:17:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2024-12-05 23:17:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2024-12-05 23:17:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:17:52,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:52,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:52,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:52,220 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:52,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 23:17:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:52,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:53,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:17:53,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:59,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:17:59,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-12-05 23:18:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2024-12-05 23:18:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2024-12-05 23:18:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:00,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:00,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:00,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:00,024 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:00,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 23:18:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:00,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:01,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:18:01,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:08,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 23:18:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2024-12-05 23:18:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2024-12-05 23:18:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:08,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:08,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:08,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:08,964 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:08,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 23:18:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:09,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:09,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:18:09,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:16,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 23:18:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2024-12-05 23:18:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2024-12-05 23:18:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:17,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:17,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:17,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:17,045 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:17,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 23:18:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:17,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:18,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:18:18,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:25,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 23:18:25,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2024-12-05 23:18:25,225 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2024-12-05 23:18:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:25,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:25,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:25,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:25,227 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:25,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 23:18:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:25,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:26,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:18:26,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:34,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 23:18:34,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2024-12-05 23:18:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2024-12-05 23:18:34,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:34,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:34,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:34,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:34,325 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:34,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb48554f-7fd0-47c6-a388-3b8e1bab65e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 23:18:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:34,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:35,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:18:35,188 INFO L279 TraceCheckSpWp]: Computing forward predicates...