./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c --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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/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 e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:58:49,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:58:49,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:58:49,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:58:49,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:58:49,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:58:49,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:58:49,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:58:49,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:58:49,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:58:49,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:58:49,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:58:49,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:58:49,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:58:49,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:58:49,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:58:49,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:58:49,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:58:49,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:58:49,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:58:49,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:58:49,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:58:49,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:58:49,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:58:49,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:58:49,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:58:49,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:58:49,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:49,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:58:49,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:58:49,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:58:49,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:58:49,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:58:49,919 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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/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 -> e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 [2024-11-13 16:58:50,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:58:50,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:58:50,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:58:50,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:58:50,395 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:58:50,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-13 16:58:52,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:58:52,713 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:58:52,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2024-11-13 16:58:52,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/data/06aca879e/e4d1fb90272542469c71a75901d6ae52/FLAGc2313f83d [2024-11-13 16:58:52,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/data/06aca879e/e4d1fb90272542469c71a75901d6ae52 [2024-11-13 16:58:52,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:58:52,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:58:52,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:52,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:58:52,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:58:52,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:58:52" (1/1) ... [2024-11-13 16:58:52,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32868294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:52, skipping insertion in model container [2024-11-13 16:58:52,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:58:52" (1/1) ... [2024-11-13 16:58:52,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:58:52,943 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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-13 16:58:52,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:52,976 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:58:52,987 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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-13 16:58:53,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:53,022 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:58:53,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53 WrapperNode [2024-11-13 16:58:53,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:53,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:53,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:58:53,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:58:53,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,056 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 16:58:53,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:53,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:58:53,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:58:53,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:58:53,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:58:53,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:58:53,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:58:53,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:58:53,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:53,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:58:53,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:58:53,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:58:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:58:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:58:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:58:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:58:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:58:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:58:53,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:58:53,233 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:58:53,402 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:58:53,405 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:58:53,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:58:53,476 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:58:53,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:53 BoogieIcfgContainer [2024-11-13 16:58:53,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:58:53,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:58:53,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:58:53,493 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:58:53,494 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:53" (1/1) ... [2024-11-13 16:58:53,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:58:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 16:58:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 16:58:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:58:53,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:53,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:53,763 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 16:58:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:53,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 16:58:53,792 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 16:58:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:58:53,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:53,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:53,925 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 16:58:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 16:58:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 16:58:53,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:58:53,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:53,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:58:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:54,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:58:54,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:54,207 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 16:58:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 16:58:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 16:58:54,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:58:54,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:54,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 16:58:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 16:58:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:58:55,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:55,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:58:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:55,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:58:55,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 16:58:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 16:58:56,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:58:56,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:57,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-11-13 16:58:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-13 16:58:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:58:57,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:57,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:58:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:57,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:58:57,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:58,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-13 16:58:58,121 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 16:58:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:58:58,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:58,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:58:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:58,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:58:58,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:58:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-13 16:58:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-13 16:58:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:58:58,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:58,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:58:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:58,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:58:58,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:58:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2024-11-13 16:58:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2024-11-13 16:58:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:58:59,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:59,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:00,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:59:00,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:59:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-13 16:59:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-13 16:59:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:59:00,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:59:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2024-11-13 16:59:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-13 16:59:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:59:02,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:02,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:02,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:59:02,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:59:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-13 16:59:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-13 16:59:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:59:02,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:02,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:59:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2024-11-13 16:59:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2024-11-13 16:59:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:59:03,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:03,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:03,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:59:03,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2024-11-13 16:59:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2024-11-13 16:59:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:59:05,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:05,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:06,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:59:06,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:06,085 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:06,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2024-11-13 16:59:06,688 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2024-11-13 16:59:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:59:06,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:06,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 135 transitions. [2024-11-13 16:59:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 135 transitions. [2024-11-13 16:59:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:59:08,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:08,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:59:08,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 67 states and 149 transitions. [2024-11-13 16:59:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2024-11-13 16:59:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:59:09,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:09,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:10,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:59:10,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:59:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 69 states and 150 transitions. [2024-11-13 16:59:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2024-11-13 16:59:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:59:10,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:10,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:10,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:59:10,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 71 states and 151 transitions. [2024-11-13 16:59:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 151 transitions. [2024-11-13 16:59:11,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:59:11,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 71 states and 150 transitions. [2024-11-13 16:59:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 150 transitions. [2024-11-13 16:59:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:59:12,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:12,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:12,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:59:12,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 151 transitions. [2024-11-13 16:59:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 151 transitions. [2024-11-13 16:59:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:59:12,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:12,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 73 states and 150 transitions. [2024-11-13 16:59:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 150 transitions. [2024-11-13 16:59:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:59:13,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:13,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:13,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:59:13,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:59:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 182 transitions. [2024-11-13 16:59:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2024-11-13 16:59:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:59:17,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:17,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:17,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:59:17,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:59:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 87 states and 185 transitions. [2024-11-13 16:59:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 185 transitions. [2024-11-13 16:59:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:59:18,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:18,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:18,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:59:18,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:59:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 89 states and 187 transitions. [2024-11-13 16:59:19,815 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 187 transitions. [2024-11-13 16:59:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:19,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:19,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:20,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:59:20,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:20,926 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:59:40,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 18.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:59:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 93 states and 201 transitions. [2024-11-13 16:59:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 201 transitions. [2024-11-13 16:59:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:42,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:42,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:42,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 16:59:42,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:59:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 95 states and 202 transitions. [2024-11-13 16:59:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 202 transitions. [2024-11-13 16:59:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:43,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:43,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:43,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:59:43,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:44,111 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:59:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 97 states and 203 transitions. [2024-11-13 16:59:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 203 transitions. [2024-11-13 16:59:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:45,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:45,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:45,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 16:59:45,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:59:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 99 states and 204 transitions. [2024-11-13 16:59:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 204 transitions. [2024-11-13 16:59:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:46,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:46,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:59:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 103 states and 233 transitions. [2024-11-13 16:59:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 233 transitions. [2024-11-13 16:59:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:49,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:49,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:50,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:59:50,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:59:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 106 states and 236 transitions. [2024-11-13 16:59:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 236 transitions. [2024-11-13 16:59:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:52,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:52,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:59:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 106 states and 235 transitions. [2024-11-13 16:59:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 235 transitions. [2024-11-13 16:59:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:52,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:52,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:59:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 106 states and 234 transitions. [2024-11-13 16:59:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 234 transitions. [2024-11-13 16:59:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:59:53,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:53,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:59:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 106 states and 233 transitions. [2024-11-13 16:59:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 233 transitions. [2024-11-13 16:59:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:59:53,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:53,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:59:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:53,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:59:53,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 17:00:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 116 states and 270 transitions. [2024-11-13 17:00:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 270 transitions. [2024-11-13 17:00:00,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 17:00:00,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:00,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:00,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 17:00:00,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 17:00:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 119 states and 274 transitions. [2024-11-13 17:00:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 274 transitions. [2024-11-13 17:00:03,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 17:00:03,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:03,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:03,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 17:00:03,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 17:00:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 121 states and 276 transitions. [2024-11-13 17:00:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 276 transitions. [2024-11-13 17:00:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 17:00:04,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:04,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:04,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 17:00:04,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 17:00:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 123 states and 277 transitions. [2024-11-13 17:00:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 277 transitions. [2024-11-13 17:00:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 17:00:05,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:05,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:05,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 17:00:05,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 17:00:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 125 states and 279 transitions. [2024-11-13 17:00:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 279 transitions. [2024-11-13 17:00:07,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 17:00:07,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:07,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:07,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 17:00:07,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 17:00:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 127 states and 280 transitions. [2024-11-13 17:00:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 280 transitions. [2024-11-13 17:00:08,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 17:00:08,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:08,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:08,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 17:00:08,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 17:00:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:11,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 131 states and 293 transitions. [2024-11-13 17:00:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 293 transitions. [2024-11-13 17:00:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 17:00:11,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:11,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 17:00:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 135 states and 329 transitions. [2024-11-13 17:00:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 329 transitions. [2024-11-13 17:00:15,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 17:00:15,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:15,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:15,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 17:00:15,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 17:00:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 138 states and 332 transitions. [2024-11-13 17:00:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 332 transitions. [2024-11-13 17:00:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 17:00:20,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:20,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 17:00:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:21,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 138 states and 331 transitions. [2024-11-13 17:00:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 331 transitions. [2024-11-13 17:00:21,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 17:00:21,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:31,276 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 17:00:31,281 INFO L158 Benchmark]: Toolchain (without parser) took 98532.41ms. Allocated memory was 142.6MB in the beginning and 604.0MB in the end (delta: 461.4MB). Free memory was 117.9MB in the beginning and 383.8MB in the end (delta: -265.9MB). Peak memory consumption was 198.0MB. Max. memory is 16.1GB. [2024-11-13 17:00:31,281 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:00:31,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.03ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 17:00:31,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.95ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:00:31,290 INFO L158 Benchmark]: Boogie Preprocessor took 19.65ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.6MB in the end (delta: 745.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:00:31,292 INFO L158 Benchmark]: RCFGBuilder took 398.72ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 92.4MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 17:00:31,292 INFO L158 Benchmark]: CodeCheck took 97802.84ms. Allocated memory was 142.6MB in the beginning and 604.0MB in the end (delta: 461.4MB). Free memory was 92.4MB in the beginning and 383.8MB in the end (delta: -291.4MB). Peak memory consumption was 172.9MB. Max. memory is 16.1GB. [2024-11-13 17:00:31,301 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 0.60ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.03ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.95ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.65ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.6MB in the end (delta: 745.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.72ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 92.4MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 97802.84ms. Allocated memory was 142.6MB in the beginning and 604.0MB in the end (delta: 461.4MB). Free memory was 92.4MB in the beginning and 383.8MB in the end (delta: -291.4MB). Peak memory consumption was 172.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 17:00:31,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/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 e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 17:00:34,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 17:00:34,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 17:00:34,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 17:00:34,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 17:00:34,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 17:00:34,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 17:00:34,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 17:00:34,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 17:00:34,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 17:00:34,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 17:00:34,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 17:00:34,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 17:00:34,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 17:00:34,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 17:00:34,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 17:00:34,289 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 17:00:34,289 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 17:00:34,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 17:00:34,289 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 17:00:34,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 17:00:34,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 17:00:34,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 17:00:34,290 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 17:00:34,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 17:00:34,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 17:00:34,291 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:34,291 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 17:00:34,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 17:00:34,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 17:00:34,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 17:00:34,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 17:00:34,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 17:00:34,292 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 17:00:34,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:34,292 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 17:00:34,292 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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/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 -> e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 [2024-11-13 17:00:34,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 17:00:34,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 17:00:34,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 17:00:34,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 17:00:34,676 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 17:00:34,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-13 17:00:36,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 17:00:37,047 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 17:00:37,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2024-11-13 17:00:37,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/data/638227d79/69be16e1f0284f3bb25089d38bc651a5/FLAG1a8b9237b [2024-11-13 17:00:37,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/data/638227d79/69be16e1f0284f3bb25089d38bc651a5 [2024-11-13 17:00:37,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 17:00:37,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 17:00:37,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 17:00:37,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 17:00:37,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 17:00:37,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f675a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37, skipping insertion in model container [2024-11-13 17:00:37,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 17:00:37,322 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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-13 17:00:37,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 17:00:37,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 17:00:37,380 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_74e238f7-87d6-4b1d-aba2-fdac729ab93f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-13 17:00:37,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 17:00:37,424 INFO L204 MainTranslator]: Completed translation [2024-11-13 17:00:37,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37 WrapperNode [2024-11-13 17:00:37,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 17:00:37,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 17:00:37,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 17:00:37,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 17:00:37,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,466 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-13 17:00:37,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 17:00:37,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 17:00:37,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 17:00:37,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 17:00:37,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 17:00:37,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 17:00:37,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 17:00:37,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 17:00:37,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:37" (1/1) ... [2024-11-13 17:00:37,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 17:00:37,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 17:00:37,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 17:00:37,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 17:00:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 17:00:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 17:00:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 17:00:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 17:00:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 17:00:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 17:00:37,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 17:00:37,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 17:00:38,317 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 17:00:38,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 17:00:38,405 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 17:00:38,405 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 17:00:38,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:00:38 BoogieIcfgContainer [2024-11-13 17:00:38,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 17:00:38,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 17:00:38,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 17:00:38,422 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 17:00:38,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:00:38" (1/1) ... [2024-11-13 17:00:38,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 17:00:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 17:00:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 17:00:38,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 17:00:38,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:38,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:38,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:38,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 17:00:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:38,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:38,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 17:00:38,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:38,829 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 17:00:38,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 17:00:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:38,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 17:00:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 17:00:38,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 17:00:38,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:38,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:38,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:38,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:38,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 17:00:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:39,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:39,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 17:00:39,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:39,848 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 17:00:39,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 17:00:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 17:00:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 17:00:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 17:00:40,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:40,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:40,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:40,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:40,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 17:00:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:40,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:40,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 17:00:40,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:41,441 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 17:00:41,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 17:00:44,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:00:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:45,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 17:00:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 17:00:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 17:00:45,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:45,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:45,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:45,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:45,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 17:00:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:46,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:46,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 17:00:46,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:01:15,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 17:01:23,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:01:55,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:01:57,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:02:00,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:02:02,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 17:02:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 17:02:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 17:02:02,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:02,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:02,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:02,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:02,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 17:02:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:04,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:04,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 17:02:04,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:02:09,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 17:02:27,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:02:28,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:04:45,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:04:49,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:05:00,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:05:00,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-13 17:05:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-13 17:05:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 17:05:00,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:00,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:05:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:05:00,312 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:05:00,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 17:05:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:01,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:05:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:02,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 17:05:02,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:05:04,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 17:06:10,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:06:12,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:06:24,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:06:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-13 17:06:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-13 17:06:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 17:06:48,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:48,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:06:48,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:06:48,539 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:06:48,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 17:06:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:49,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:06:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:49,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 17:06:49,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:06:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 17:06:54,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 17:08:58,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2024-11-13 17:08:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-13 17:08:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 17:08:58,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:58,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:58,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:58,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:58,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 17:09:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:00,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:01,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 17:09:01,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 17:09:04,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:38,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:10:39,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:11:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2024-11-13 17:11:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-13 17:11:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 17:11:15,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:15,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:15,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:15,431 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:15,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 17:11:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:17,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:17,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 17:11:17,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:11:28,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e238f7-87d6-4b1d-aba2-fdac729ab93f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 17:13:14,929 WARN L286 SmtUtils]: Spent 11.30s on a formula simplification. DAG size of input: 30 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)