./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.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_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/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_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/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_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/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 29123ed479a06938c1b58bc0ee2ae38219e9e012922d3ca9fba5679eb1736558 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:18,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:18,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:43:18,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:43:18,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:43:18,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:18,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:43:18,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:43:18,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:18,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:18,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:18,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:43:18,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:43:18,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:43:18,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:43:18,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:18,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:43:18,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:18,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:43:18,999 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:18,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:43:18,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:43:18,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:18,999 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:18,999 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:18,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:19,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:19,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:19,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:19,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:19,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:43:19,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:43:19,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:43:19,001 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_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/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 -> 29123ed479a06938c1b58bc0ee2ae38219e9e012922d3ca9fba5679eb1736558 [2024-11-13 21:43:19,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:19,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:19,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:19,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:19,360 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:19,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c Unable to find full path for "g++" [2024-11-13 21:43:21,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:21,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:21,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2024-11-13 21:43:21,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/data/eb3653389/04a2e853a6634694a62cfe5cf36cd36d/FLAG507556cda [2024-11-13 21:43:21,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/data/eb3653389/04a2e853a6634694a62cfe5cf36cd36d [2024-11-13 21:43:21,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:43:21,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:43:21,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:21,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:43:21,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:43:21,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c30d395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21, skipping insertion in model container [2024-11-13 21:43:21,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:21,981 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_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c[535,548] [2024-11-13 21:43:22,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:22,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:22,035 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_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c[535,548] [2024-11-13 21:43:22,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:22,071 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:22,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22 WrapperNode [2024-11-13 21:43:22,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:22,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:22,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:22,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:22,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,108 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-13 21:43:22,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:22,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:22,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:22,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:22,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:22,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:22,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:22,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:22,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:22,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:22,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:22,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e34574-4f5d-4c3d-85b3-c902ee0c0c41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:43:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:43:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:43:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:43:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:43:22,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:22,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:22,515 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:22,515 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:43:22,554 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:43:22,555 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:43:22,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:22 BoogieIcfgContainer [2024-11-13 21:43:22,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:43:22,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:43:22,559 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:43:22,569 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:43:22,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:43:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 21:43:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 21:43:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:43:22,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:22,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:43:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:22,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:43:22,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:43:26,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:43:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:26,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-13 21:43:26,148 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-13 21:43:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:43:26,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:26,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:43:29,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:43:31,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-13 21:43:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-13 21:43:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:43:31,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:31,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:43:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-13 21:43:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-13 21:43:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:43:31,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:31,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 21:43:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2024-11-13 21:43:31,928 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-13 21:43:31,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:43:31,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:31,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:43:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-11-13 21:43:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-13 21:43:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:43:39,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:39,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:43:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:39,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:43:39,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 21:44:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 71 transitions. [2024-11-13 21:44:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-11-13 21:44:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:44:17,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:17,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-13 21:44:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 70 transitions. [2024-11-13 21:44:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2024-11-13 21:44:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:44:24,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:24,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:44:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 75 transitions. [2024-11-13 21:44:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-13 21:44:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 21:44:28,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:28,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:28,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:44:28,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 21:45:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 96 transitions. [2024-11-13 21:45:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2024-11-13 21:45:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 21:45:17,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:17,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-13 21:45:31,549 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:45:33,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:45:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 103 transitions. [2024-11-13 21:45:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2024-11-13 21:45:33,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 21:45:33,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:33,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-13 21:46:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 64 states and 104 transitions. [2024-11-13 21:46:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 104 transitions. [2024-11-13 21:46:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 21:46:12,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:12,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-13 21:46:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 63 states and 101 transitions. [2024-11-13 21:46:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2024-11-13 21:46:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:46:13,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 28 proven. 12 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-13 21:46:26,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:47:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 70 states and 117 transitions. [2024-11-13 21:47:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 117 transitions. [2024-11-13 21:47:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 21:47:03,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:03,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:47:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:47:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:03,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:47:03,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-13 21:50:54,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:50:56,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:51:01,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:51:04,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:51:16,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 88 states and 154 transitions. [2024-11-13 21:51:16,162 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 154 transitions. [2024-11-13 21:51:16,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 21:51:16,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:54,306 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:52:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 70 proven. 64 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-13 21:53:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 103 states and 178 transitions. [2024-11-13 21:53:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2024-11-13 21:53:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 21:53:28,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:28,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 48 proven. 38 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 21:55:54,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:55:57,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:56:12,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:56:22,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:56:30,284 WARN L286 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 40 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:56:52,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:56:56,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:07,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:12,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 115 states and 203 transitions. [2024-11-13 21:57:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 203 transitions. [2024-11-13 21:57:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 21:57:13,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:13,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 53 proven. 53 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-13 21:57:39,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 118 states and 211 transitions. [2024-11-13 21:57:41,037 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 211 transitions. [2024-11-13 21:57:41,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 21:57:41,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:41,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-13 21:58:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:05,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 124 states and 221 transitions. [2024-11-13 21:58:05,904 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 221 transitions. [2024-11-13 21:58:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 21:58:05,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:05,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 56 proven. 50 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-13 21:58:20,280 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:58:31,222 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:58:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:38,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 139 states and 242 transitions. [2024-11-13 21:58:38,387 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 242 transitions. [2024-11-13 21:58:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 21:58:38,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:38,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked.