./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:17:29,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:17:30,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:17:30,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:17:30,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:17:30,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:17:30,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:17:30,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:17:30,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:17:30,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:17:30,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:17:30,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:17:30,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:17:30,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:17:30,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:17:30,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:17:30,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:17:30,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:17:30,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:17:30,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:17:30,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:17:30,071 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:17:30,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:17:30,071 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_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 [2024-12-06 02:17:30,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:17:30,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:17:30,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:17:30,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:17:30,273 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:17:30,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-12-06 02:17:32,854 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data/5627311ba/76335c6b1d154ea1bcd8f10181ee3111/FLAG62ba58d7f [2024-12-06 02:17:33,054 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:17:33,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-12-06 02:17:33,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data/5627311ba/76335c6b1d154ea1bcd8f10181ee3111/FLAG62ba58d7f [2024-12-06 02:17:33,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data/5627311ba/76335c6b1d154ea1bcd8f10181ee3111 [2024-12-06 02:17:33,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:17:33,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:17:33,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:17:33,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:17:33,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:17:33,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75da69b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33, skipping insertion in model container [2024-12-06 02:17:33,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:17:33,574 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_f26fceb3-ea19-424c-9f1b-fa5eede8908a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-12-06 02:17:33,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:17:33,599 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:17:33,609 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_f26fceb3-ea19-424c-9f1b-fa5eede8908a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-12-06 02:17:33,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:17:33,629 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:17:33,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33 WrapperNode [2024-12-06 02:17:33,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:17:33,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:17:33,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:17:33,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:17:33,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,657 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-12-06 02:17:33,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:17:33,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:17:33,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:17:33,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:17:33,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,669 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:17:33,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:17:33,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:17:33,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:17:33,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:17:33,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:17:33,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:17:33,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:17:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:17:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:17:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:17:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:17:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:17:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:17:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:17:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:17:33,787 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:17:33,789 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:17:33,897 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 02:17:33,897 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:17:33,921 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:17:33,921 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:17:33,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:17:33 BoogieIcfgContainer [2024-12-06 02:17:33,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:17:33,923 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:17:33,923 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:17:33,930 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:17:33,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:17:33" (1/1) ... [2024-12-06 02:17:33,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:17:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 02:17:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 02:17:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:17:33,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:33,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:34,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:17:34,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:17:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 02:17:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 02:17:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:17:34,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:34,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:17:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 02:17:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 02:17:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:17:34,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:34,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:34,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:17:34,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:17:38,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:17:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:38,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-06 02:17:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 02:17:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:17:38,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:38,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:38,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:17:38,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:17:38,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 02:17:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 02:17:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:17:38,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:38,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:17:38,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:17:42,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:17:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:42,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 02:17:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 02:17:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:17:42,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:42,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:42,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:17:42,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 02:17:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-06 02:17:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-06 02:17:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:17:42,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:42,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:42,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:17:42,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 02:17:46,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:17:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:46,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-06 02:17:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-06 02:17:46,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:17:46,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:46,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:46,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:17:46,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:17:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-12-06 02:17:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-12-06 02:17:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:17:47,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:47,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:47,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:17:47,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:17:51,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:17:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-06 02:17:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-06 02:17:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:17:51,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:51,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:17:51,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 02:17:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 02:17:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 02:17:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:17:52,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:52,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:02,588 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:18:02,591 INFO L158 Benchmark]: Toolchain (without parser) took 29152.53ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 64.6MB in the end (delta: 28.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-12-06 02:18:02,592 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:02,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.29ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:18:02,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.52ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:02,593 INFO L158 Benchmark]: Boogie Preprocessor took 17.85ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 80.0MB in the end (delta: 503.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:02,593 INFO L158 Benchmark]: RCFGBuilder took 246.14ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:18:02,594 INFO L158 Benchmark]: CodeCheck took 28668.15ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 64.6MB in the end (delta: 4.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-12-06 02:18:02,596 INFO L338 ainManager$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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.29ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.52ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.85ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 80.0MB in the end (delta: 503.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.14ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 28668.15ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 64.6MB in the end (delta: 4.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:18:02,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/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_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:18:04,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:18:04,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:18:04,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:18:04,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:18:04,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:18:04,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:18:04,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:18:04,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:18:04,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:18:04,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:18:04,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:18:04,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:18:04,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:18:04,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:18:04,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:04,606 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:18:04,607 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_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 [2024-12-06 02:18:04,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:18:04,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:18:04,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:18:04,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:18:04,856 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:18:04,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-12-06 02:18:07,533 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data/f26e32cd1/27ac3e184e2b4f74beb4c8ebc329d30c/FLAG2be99aed9 [2024-12-06 02:18:07,696 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:18:07,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-12-06 02:18:07,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data/f26e32cd1/27ac3e184e2b4f74beb4c8ebc329d30c/FLAG2be99aed9 [2024-12-06 02:18:07,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/data/f26e32cd1/27ac3e184e2b4f74beb4c8ebc329d30c [2024-12-06 02:18:07,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:18:07,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:18:07,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:18:07,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:18:07,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:18:07,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f02ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07, skipping insertion in model container [2024-12-06 02:18:07,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:18:07,876 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_f26fceb3-ea19-424c-9f1b-fa5eede8908a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-12-06 02:18:07,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:18:07,905 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:18:07,915 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_f26fceb3-ea19-424c-9f1b-fa5eede8908a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-12-06 02:18:07,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:18:07,935 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:18:07,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07 WrapperNode [2024-12-06 02:18:07,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:18:07,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:18:07,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:18:07,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:18:07,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,964 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-12-06 02:18:07,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:18:07,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:18:07,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:18:07,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:18:07,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:18:07,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:18:07,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:18:07,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:18:07,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:07" (1/1) ... [2024-12-06 02:18:07,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:18:08,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:18:08,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:18:08,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:18:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:18:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:18:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:18:08,093 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:18:08,094 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:18:08,321 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 02:18:08,321 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:18:08,348 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:18:08,348 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:18:08,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:18:08 BoogieIcfgContainer [2024-12-06 02:18:08,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:18:08,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:18:08,349 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:18:08,357 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:18:08,357 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:18:08" (1/1) ... [2024-12-06 02:18:08,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:18:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 02:18:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 02:18:08,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:18:08,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:08,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:08,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:08,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:08,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:18:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:08,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:08,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:18:08,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:18:08,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:18:09,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 02:18:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 02:18:09,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:18:09,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:09,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:09,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:09,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:09,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:18:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:10,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:10,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:18:10,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:21,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:18:40,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:40,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-06 02:18:40,495 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-06 02:18:40,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:18:40,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:40,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:18:40,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:18:40,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:18:40,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:18:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:41,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:18:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:41,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:18:41,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:18:42,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:19:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-06 02:19:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 02:19:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:19:12,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:12,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:12,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:12,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:12,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:19:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:12,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:12,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:19:12,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 02:19:15,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:19:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-12-06 02:19:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 02:19:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:19:57,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:57,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:19:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:19:57,950 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:19:57,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:19:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:59,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:19:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:59,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:19:59,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:20:00,766 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:20:00,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:20:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:20:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-12-06 02:20:43,019 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-06 02:20:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:20:43,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:20:43,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:20:43,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:20:43,021 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:20:43,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:20:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:20:43,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:20:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:20:44,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:20:44,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:20:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 02:20:47,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:21:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-12-06 02:21:49,932 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-06 02:21:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:21:49,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:49,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:21:49,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:21:49,935 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:21:49,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:21:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:51,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:21:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:52,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:21:52,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:21:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:21:53,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 02:22:30,497 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:22:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-12-06 02:22:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-12-06 02:22:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:22:50,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:50,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:22:50,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:22:50,440 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:22:50,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:22:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:51,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:22:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:52,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:22:52,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 02:22:55,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 02:24:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-12-06 02:24:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-12-06 02:24:03,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:24:03,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:03,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:03,505 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:03,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:24:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:05,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:24:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:06,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:24:06,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:24:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 02:24:07,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 02:25:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-12-06 02:25:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-12-06 02:25:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:25:09,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:09,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:25:09,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:25:09,358 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:25:09,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:25:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:10,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:25:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:11,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:25:11,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:25:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 02:25:15,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 02:26:37,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-12-06 02:26:37,736 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-12-06 02:26:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:26:37,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:37,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:26:37,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:26:37,738 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:26:37,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:26:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:40,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:26:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:41,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:26:41,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 18 proven. 30 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-06 02:26:44,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 02:27:04,063 WARN L286 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:27:32,691 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:28:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 105 transitions. [2024-12-06 02:28:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-12-06 02:28:06,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:28:06,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:06,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:28:06,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:28:06,716 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:28:06,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:28:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:09,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:28:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:09,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:28:09,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:28:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:28:21,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-06 02:30:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 116 transitions. [2024-12-06 02:30:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-12-06 02:30:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 02:30:15,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:15,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:15,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:15,745 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:15,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:30:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:18,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:19,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:30:19,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 44 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-06 02:30:22,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 02:30:42,722 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:31:10,433 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:31:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 120 transitions. [2024-12-06 02:31:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 120 transitions. [2024-12-06 02:31:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:31:40,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:40,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:40,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:40,581 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:40,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:31:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:43,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:43,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:31:43,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:50,591 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-12-06 02:31:50,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26fceb3-ea19-424c-9f1b-fa5eede8908a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 02:32:39,626 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)