./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm --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 bef70c39331e78595b45dbc9116e80e68130a83e4d55fdf4189b866d036d57fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:34:09,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:34:09,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:34:09,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:34:09,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:34:09,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:34:09,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:34:09,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:34:09,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:34:09,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:34:09,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:34:09,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:34:09,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:34:09,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:34:09,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:34:09,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:34:09,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:34:09,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:34:09,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:34:09,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:34:09,391 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:34:09,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:34:09,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:34:09,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:34:09,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:34:09,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:34:09,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:34:09,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:09,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:34:09,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:34:09,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:34:09,394 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:34:09,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:34:09,394 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_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm 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 -> bef70c39331e78595b45dbc9116e80e68130a83e4d55fdf4189b866d036d57fe [2024-11-13 16:34:09,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:34:09,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:34:09,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:34:09,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:34:09,798 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:34:09,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i Unable to find full path for "g++" [2024-11-13 16:34:12,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:34:12,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:34:12,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i [2024-11-13 16:34:12,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/data/1e55946f3/2da7b2c1cd8c419cbc3c4851be0ca101/FLAG3edacc988 [2024-11-13 16:34:12,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/data/1e55946f3/2da7b2c1cd8c419cbc3c4851be0ca101 [2024-11-13 16:34:12,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:34:12,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:34:12,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:12,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:34:12,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:34:12,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2378542b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12, skipping insertion in model container [2024-11-13 16:34:12,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:34:12,669 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_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[1226,1239] [2024-11-13 16:34:12,720 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_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[2807,2820] [2024-11-13 16:34:12,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:12,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:34:12,759 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_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[1226,1239] [2024-11-13 16:34:12,784 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_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[2807,2820] [2024-11-13 16:34:12,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:12,815 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:34:12,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12 WrapperNode [2024-11-13 16:34:12,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:12,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:12,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:34:12,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:34:12,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,876 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-13 16:34:12,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:12,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:34:12,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:34:12,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:34:12,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:34:12,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:34:12,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:34:12,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:34:12,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:12" (1/1) ... [2024-11-13 16:34:12,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:34:12,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:34:12,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:34:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:34:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 16:34:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 16:34:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 16:34:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 16:34:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:34:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:34:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:34:13,123 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:34:13,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:34:13,480 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 16:34:13,481 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:34:13,613 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:34:13,614 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:34:13,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:13 BoogieIcfgContainer [2024-11-13 16:34:13,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:34:13,616 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:34:13,616 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:34:13,635 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:34:13,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:13" (1/1) ... [2024-11-13 16:34:13,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 16:34:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 16:34:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:34:13,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:13,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-13 16:34:14,333 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-13 16:34:14,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:34:14,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:14,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:14,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-13 16:34:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-13 16:34:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:34:14,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:14,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:25,112 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:34:25,118 INFO L158 Benchmark]: Toolchain (without parser) took 12699.59ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 44.3MB in the end (delta: 39.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-13 16:34:25,119 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 195.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:34:25,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.03ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 71.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:34:25,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.12ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:34:25,121 INFO L158 Benchmark]: Boogie Preprocessor took 35.68ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 69.1MB in the end (delta: 851.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:34:25,121 INFO L158 Benchmark]: RCFGBuilder took 698.24ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 51.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:34:25,122 INFO L158 Benchmark]: CodeCheck took 11500.58ms. Allocated memory is still 109.1MB. Free memory was 51.9MB in the beginning and 44.3MB in the end (delta: 7.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-13 16:34:25,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 195.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.03ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 71.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.12ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.68ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 69.1MB in the end (delta: 851.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 698.24ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 51.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11500.58ms. Allocated memory is still 109.1MB. Free memory was 51.9MB in the beginning and 44.3MB in the end (delta: 7.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:34:25,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 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_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm --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 bef70c39331e78595b45dbc9116e80e68130a83e4d55fdf4189b866d036d57fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:34:28,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:34:28,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:34:28,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:34:28,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:34:28,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:34:28,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:34:28,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:34:28,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:34:28,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:34:28,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:34:28,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:34:28,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:34:28,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:34:28,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:34:28,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:34:28,514 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:34:28,514 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:34:28,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:34:28,515 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:34:28,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:34:28,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:34:28,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:34:28,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:34:28,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:34:28,516 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:34:28,516 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:34:28,516 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:34:28,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:34:28,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:28,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:34:28,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:34:28,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:34:28,517 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:34:28,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:34:28,517 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:34:28,517 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_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm 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 -> bef70c39331e78595b45dbc9116e80e68130a83e4d55fdf4189b866d036d57fe [2024-11-13 16:34:28,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:34:28,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:34:28,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:34:28,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:34:28,937 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:34:28,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i Unable to find full path for "g++" [2024-11-13 16:34:31,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:34:31,890 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:34:31,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i [2024-11-13 16:34:31,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/data/b4b97a94e/4fcffac45d5e4d76862eec74d979fc7d/FLAG011ae1d99 [2024-11-13 16:34:32,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/data/b4b97a94e/4fcffac45d5e4d76862eec74d979fc7d [2024-11-13 16:34:32,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:34:32,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:34:32,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:32,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:34:32,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:34:32,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae82229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32, skipping insertion in model container [2024-11-13 16:34:32,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:34:32,378 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_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[1226,1239] [2024-11-13 16:34:32,424 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_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[2807,2820] [2024-11-13 16:34:32,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:32,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:34:32,458 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_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[1226,1239] [2024-11-13 16:34:32,471 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_1c2387f8-830c-45a2-9732-4794fab27743/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[2807,2820] [2024-11-13 16:34:32,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:32,492 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:34:32,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32 WrapperNode [2024-11-13 16:34:32,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:32,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:32,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:34:32,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:34:32,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,533 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-13 16:34:32,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:32,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:34:32,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:34:32,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:34:32,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:34:32,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:34:32,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:34:32,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:34:32,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:32" (1/1) ... [2024-11-13 16:34:32,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:32,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:34:32,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:34:32,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:34:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:34:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:34:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 16:34:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 16:34:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 16:34:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 16:34:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:34:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:34:32,794 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:34:32,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:34:55,403 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 16:34:55,407 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:34:55,495 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:34:55,496 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:34:55,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:55 BoogieIcfgContainer [2024-11-13 16:34:55,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:34:55,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:34:55,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:34:55,510 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:34:55,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:55" (1/1) ... [2024-11-13 16:34:55,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:55,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 16:34:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 16:34:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:34:55,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:55,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:34:55,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:34:55,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:34:55,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:34:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:55,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:34:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:55,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:34:55,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:56,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:34:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-13 16:34:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-13 16:34:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:34:56,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:56,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:34:56,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:34:56,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:34:56,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:34:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:56,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:34:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:56,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:34:56,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:57,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:34:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-13 16:34:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-13 16:34:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:34:59,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:59,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:34:59,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:34:59,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:34:59,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:35:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:00,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:35:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:03,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:35:03,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:35:17,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:35:26,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:35:31,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:35:32,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:35:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 16:35:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 16:35:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:35:37,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:37,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:35:37,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:35:37,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:35:37,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:35:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:38,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:35:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:43,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:35:43,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:56,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:35:56,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:36:04,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:36:14,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:36:20,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:36:22,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:36:24,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:36:26,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:36:28,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:36:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:29,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:36:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:36:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:36:29,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:29,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:29,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:36:29,166 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:36:29,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:36:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:30,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:36:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:34,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:36:34,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:36:48,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 16:36:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:36:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:36:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:36:48,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:48,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:48,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:36:48,531 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:36:48,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:36:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:49,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:36:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:53,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:36:53,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:09,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 16:37:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:37:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:37:09,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:37:09,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:09,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:09,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:09,244 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:09,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:37:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:10,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:13,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:37:13,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:33,189 WARN L286 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 31 DAG size of output: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:37:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:36,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:37:43,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:43,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:37:43,479 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:37:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:37:43,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:43,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:43,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:43,482 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:43,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:37:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:44,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:48,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:37:48,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:38:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:38:03,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 16:38:03,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:38:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:38:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:38:03,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:03,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:38:03,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:38:03,992 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:38:03,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 16:38:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:05,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:38:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:09,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:38:09,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:38:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:38:23,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 16:38:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:38:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:38:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:38:23,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:38:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:38:23,718 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:38:23,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 16:38:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:24,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:38:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:28,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:38:28,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:38:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:38:44,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 16:38:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:38:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:38:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:38:44,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:44,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:38:44,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:38:44,498 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:38:44,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 16:38:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:45,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:38:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:49,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:38:49,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:11,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 16:39:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:39:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:39:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:39:12,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:12,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:39:12,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:39:12,035 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:39:12,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 16:39:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:13,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:39:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:16,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:39:16,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:38,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 16:39:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:39:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:39:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:39:39,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:39,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:39:39,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:39:39,161 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:39:39,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 16:39:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:40,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:39:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:45,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:39:45,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:00,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:00,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 16:40:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:00,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:40:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:40:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:40:00,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:00,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:00,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:00,035 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:00,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 16:40:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:01,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:05,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:40:05,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:23,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 16:40:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:40:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:40:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:40:23,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:23,247 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:23,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 16:40:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:24,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:29,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:40:29,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:54,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 16:40:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:40:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:40:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:40:54,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:54,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:54,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:54,800 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:54,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 16:40:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:55,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:00,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:41:00,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:41:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:41:14,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 16:41:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:41:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:41:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:41:14,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:14,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:14,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:14,990 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:14,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 16:41:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:16,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:22,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:41:22,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:41:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:41:43,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 16:41:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:41:44,009 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:41:44,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:41:44,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:44,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:44,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:44,013 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:44,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 16:41:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:44,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:48,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:41:48,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:42:05,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 16:42:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:42:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:42:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:42:05,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:05,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:05,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:05,191 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:05,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 16:42:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:06,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:10,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:42:10,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:42:24,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-13 16:42:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:24,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:42:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:42:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:42:24,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:24,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:24,810 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:24,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 16:42:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:25,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:30,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:42:30,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:42:45,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 16:42:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:42:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:42:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:42:45,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:45,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:45,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:45,490 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:45,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 16:42:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:46,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:51,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:42:51,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:06,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 16:43:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:43:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:43:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:43:06,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:06,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:06,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:06,786 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:06,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 16:43:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:07,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:12,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:43:12,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:26,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 16:43:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:43:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:43:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:43:26,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:26,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:26,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:26,708 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:26,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 16:43:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:27,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:31,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:43:31,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:46,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 16:43:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:43:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:43:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:43:46,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:46,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:46,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:46,963 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:46,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 16:43:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:47,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:51,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:43:51,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:44:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:05,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 16:44:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:44:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:44:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:44:05,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:05,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:05,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:44:05,517 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:44:05,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 16:44:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:06,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:11,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:44:11,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:44:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:25,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 16:44:25,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:44:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:44:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:44:25,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:25,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:25,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:44:25,474 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:44:25,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 16:44:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:26,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:32,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:44:32,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:44:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:48,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 16:44:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:44:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:44:48,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:44:48,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:48,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:48,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:44:48,419 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:44:48,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 16:44:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:49,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:53,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:44:53,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:08,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:08,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 16:45:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:45:08,458 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:45:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:45:08,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:08,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:08,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:08,462 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:08,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 16:45:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:09,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:45:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:13,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:45:13,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:29,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 16:45:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:45:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:45:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:45:29,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:29,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:29,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:29,879 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:29,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 16:45:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:30,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:45:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:35,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:45:35,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:51,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 16:45:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:45:51,400 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:45:51,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:45:51,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:51,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:51,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:51,404 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:51,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 16:45:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:52,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:45:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:56,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:45:56,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:11,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 16:46:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:46:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:46:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:46:11,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:11,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:11,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:11,869 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:11,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 16:46:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:12,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:17,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:46:17,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:32,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 16:46:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:46:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:46:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:46:32,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:32,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:32,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:32,475 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:32,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 16:46:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:33,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:36,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:46:36,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:49,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:46:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:46:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:46:49,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:49,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:49,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:49,380 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:49,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 16:46:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:50,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:53,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:46:53,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:09,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 16:47:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:47:09,752 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:47:09,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:47:09,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:09,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:09,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:09,756 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:09,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 16:47:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:10,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:15,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:47:15,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:32,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 16:47:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:47:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:47:32,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:47:32,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:32,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:32,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:32,671 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:32,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 16:47:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:33,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:38,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:47:38,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:52,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:47:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:47:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:47:52,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:52,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:52,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:52,951 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:52,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 16:47:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:53,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:57,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:47:57,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:17,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-13 16:48:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:48:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:48:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:48:17,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:17,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:17,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:17,592 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:17,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 16:48:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:18,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:21,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:48:21,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:35,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 16:48:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:48:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:48:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:48:35,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:35,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:35,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:35,236 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:35,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 16:48:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:36,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:40,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:48:40,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:53,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 16:48:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:48:53,109 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:48:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:48:53,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:53,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:53,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:53,112 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:53,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 16:48:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:53,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:57,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:48:57,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:49:17,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 16:49:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 16:49:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 16:49:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:49:17,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:17,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:17,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:17,924 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:17,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2387f8-830c-45a2-9732-4794fab27743/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 16:49:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:18,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:22,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:49:22,280 INFO L278 TraceCheckSpWp]: Computing forward predicates...