./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.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_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/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_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/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_615c6006-a1e5-4660-9a37-30a657ef3c18/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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:22,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:22,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:18:22,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:18:22,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:18:22,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:22,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:22,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:22,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:22,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:22,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:22,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:22,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:18:22,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:18:22,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:18:22,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:22,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:22,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:22,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:22,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:22,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:18:22,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:22,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:22,800 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:22,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:22,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:22,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:22,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:22,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:22,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:22,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:22,801 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:18:22,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:18:22,802 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_615c6006-a1e5-4660-9a37-30a657ef3c18/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 -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2024-11-13 20:18:23,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:23,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:23,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:23,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:23,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:23,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c Unable to find full path for "g++" [2024-11-13 20:18:25,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:25,421 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:25,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c [2024-11-13 20:18:25,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/data/476635276/daabb30cfb6c47139d02a64a0bfef949/FLAG7c838b3ea [2024-11-13 20:18:25,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/data/476635276/daabb30cfb6c47139d02a64a0bfef949 [2024-11-13 20:18:25,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:25,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:25,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:25,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:25,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:25,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e44d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25, skipping insertion in model container [2024-11-13 20:18:25,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:25,742 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_615c6006-a1e5-4660-9a37-30a657ef3c18/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c[573,586] [2024-11-13 20:18:25,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:25,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:25,791 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_615c6006-a1e5-4660-9a37-30a657ef3c18/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c[573,586] [2024-11-13 20:18:25,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:25,819 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:25,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25 WrapperNode [2024-11-13 20:18:25,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:25,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:25,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:25,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:25,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,861 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-13 20:18:25,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:25,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:25,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:25,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:25,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:25,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:25,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:25,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:25,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:25" (1/1) ... [2024-11-13 20:18:25,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:25,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:25,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:25,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615c6006-a1e5-4660-9a37-30a657ef3c18/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:18:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:18:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:18:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:18:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:18:26,068 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:26,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:26,247 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:26,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:26,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:26,321 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:18:26,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:26 BoogieIcfgContainer [2024-11-13 20:18:26,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:26,322 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:26,322 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:26,337 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:26,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:26" (1/1) ... [2024-11-13 20:18:26,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 20:18:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 20:18:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:26,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:26,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:18:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-13 20:18:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 20:18:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:26,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:26,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:26,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:26,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:18:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-13 20:18:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 20:18:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:18:26,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:26,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:18:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:28,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-13 20:18:28,119 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 20:18:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:18:28,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:28,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:28,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:18:28,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:18:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-13 20:18:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 20:18:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:18:28,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:28,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:29,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:18:29,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:18:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-13 20:18:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 20:18:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:18:30,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:30,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:30,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:18:30,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 20:18:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-13 20:18:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-13 20:18:32,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:18:32,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:32,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:32,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:18:32,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 20:18:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 69 transitions. [2024-11-13 20:18:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2024-11-13 20:18:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 20:18:37,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:37,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:37,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 20:18:37,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 20:18:41,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 76 transitions. [2024-11-13 20:18:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2024-11-13 20:18:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:18:41,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:41,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:41,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:18:41,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 11 proven. 73 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 20:18:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 82 transitions. [2024-11-13 20:18:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2024-11-13 20:18:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:18:45,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:45,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:45,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:18:45,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 13 proven. 96 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 20:18:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 88 transitions. [2024-11-13 20:18:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2024-11-13 20:18:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 20:18:51,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:51,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 20:18:51,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-13 20:18:57,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 94 transitions. [2024-11-13 20:18:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2024-11-13 20:18:57,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 20:18:57,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:57,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:18:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:57,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:18:57,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 17 proven. 151 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 20:19:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 100 transitions. [2024-11-13 20:19:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2024-11-13 20:19:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 20:19:07,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:07,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:07,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:19:07,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 19 proven. 183 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-13 20:19:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 106 transitions. [2024-11-13 20:19:17,794 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2024-11-13 20:19:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 20:19:17,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:17,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:18,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 20:19:18,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 22 proven. 187 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 20:19:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 112 transitions. [2024-11-13 20:19:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2024-11-13 20:19:30,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 20:19:30,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:30,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:30,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:19:30,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-13 20:19:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 118 transitions. [2024-11-13 20:19:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2024-11-13 20:19:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 20:19:44,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:44,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:44,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:19:44,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 26 proven. 260 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-13 20:20:14,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:14,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 110 states and 188 transitions. [2024-11-13 20:20:14,879 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 188 transitions. [2024-11-13 20:20:14,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 20:20:14,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:15,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:20:15,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 108 proven. 341 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-13 20:20:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 113 states and 195 transitions. [2024-11-13 20:20:36,757 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 195 transitions. [2024-11-13 20:20:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 20:20:36,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:36,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:37,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 20:20:37,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 67 proven. 386 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-11-13 20:21:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 116 states and 201 transitions. [2024-11-13 20:21:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 201 transitions. [2024-11-13 20:21:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 20:21:00,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:00,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:21:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:01,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 20:21:01,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 115 proven. 394 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2024-11-13 20:22:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 167 states and 288 transitions. [2024-11-13 20:22:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 288 transitions. [2024-11-13 20:22:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 20:22:03,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:03,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:22:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:04,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:22:04,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 76 proven. 393 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-13 20:22:28,966 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 477 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:22:45,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 170 states and 293 transitions. [2024-11-13 20:22:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 293 transitions. [2024-11-13 20:22:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 20:22:45,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:22:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:45,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 20:22:45,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 81 proven. 443 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2024-11-13 20:23:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:20,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 173 states and 299 transitions. [2024-11-13 20:23:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 299 transitions. [2024-11-13 20:23:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 20:23:20,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:20,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:23:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:20,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 20:23:20,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 86 proven. 496 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-11-13 20:24:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 176 states and 305 transitions. [2024-11-13 20:24:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 305 transitions. [2024-11-13 20:24:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-13 20:24:01,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:01,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:24:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:01,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 20:24:01,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 91 proven. 552 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-11-13 20:24:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 179 states and 311 transitions. [2024-11-13 20:24:47,515 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 311 transitions. [2024-11-13 20:24:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 20:24:47,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:47,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:24:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:47,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 20:24:47,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:18,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 219 proven. 623 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-11-13 20:25:43,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 182 states and 317 transitions. [2024-11-13 20:25:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 317 transitions. [2024-11-13 20:25:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 20:25:43,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:43,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:44,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 20:25:44,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 101 proven. 673 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2024-11-13 20:26:23,059 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 707 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:30,209 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 708 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:38,229 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 763 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:45,646 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 764 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:45,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 185 states and 323 transitions. [2024-11-13 20:26:45,912 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 323 transitions. [2024-11-13 20:26:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 20:26:45,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:45,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:26:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:46,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 20:26:46,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 106 proven. 738 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-11-13 20:27:25,085 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 764 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:27:32,865 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 765 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:27:41,692 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 820 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:27:49,999 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 821 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:27:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 188 states and 329 transitions. [2024-11-13 20:27:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 329 transitions. [2024-11-13 20:27:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 20:27:50,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:50,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:27:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:50,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 20:27:50,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 163 proven. 868 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-11-13 20:28:41,869 WARN L286 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 822 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:28:51,136 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 823 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:29:01,010 WARN L286 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 885 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:29:10,684 WARN L286 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 886 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:29:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 191 states and 335 transitions. [2024-11-13 20:29:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 335 transitions. [2024-11-13 20:29:11,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 20:29:11,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:11,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:29:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:29:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:11,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:29:11,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 124 proven. 932 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2024-11-13 20:30:03,707 WARN L286 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 887 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:13,304 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification that was a NOOP. DAG size: 888 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:23,650 WARN L286 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 946 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:33,418 WARN L286 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 947 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:33,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 194 states and 341 transitions. [2024-11-13 20:30:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 341 transitions. [2024-11-13 20:30:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-13 20:30:33,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:33,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:30:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:34,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 20:30:34,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 126 proven. 1073 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2024-11-13 20:32:06,094 WARN L286 SmtUtils]: Spent 7.96s on a formula simplification that was a NOOP. DAG size: 939 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:32:17,592 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 940 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:32:28,356 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 1002 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:32:39,949 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 1003 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:32:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 221 states and 387 transitions. [2024-11-13 20:32:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 387 transitions. [2024-11-13 20:32:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-13 20:32:40,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:40,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:40,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 20:32:40,996 INFO L278 TraceCheckSpWp]: Computing forward predicates...