./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/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_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/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_813c78c8-7471-482e-b3d2-ab3d9adebff1/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 c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:20:32,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:20:32,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:20:32,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:20:32,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:20:32,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:20:32,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:20:32,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:20:32,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:20:32,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:20:32,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:20:32,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:20:32,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:20:32,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:20:32,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:20:32,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:20:32,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:20:32,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:20:32,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:20:32,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:20:32,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:20:32,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:20:32,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:20:32,651 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:20:32,651 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:20:32,651 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:20:32,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:20:32,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:32,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:20:32,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:20:32,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:20:32,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:20:32,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:20:32,652 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_813c78c8-7471-482e-b3d2-ab3d9adebff1/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 -> c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 [2024-11-13 23:20:32,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:20:33,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:20:33,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:20:33,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:20:33,009 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:20:33,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i Unable to find full path for "g++" [2024-11-13 23:20:34,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:20:35,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:20:35,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i [2024-11-13 23:20:35,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/data/c81db5673/239e572849ab4d949d5a26d27b13528b/FLAGf5ae189ba [2024-11-13 23:20:35,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/data/c81db5673/239e572849ab4d949d5a26d27b13528b [2024-11-13 23:20:35,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:20:35,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:20:35,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:35,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:20:35,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:20:35,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbfcf13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35, skipping insertion in model container [2024-11-13 23:20:35,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:20:35,538 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_813c78c8-7471-482e-b3d2-ab3d9adebff1/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2024-11-13 23:20:35,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:35,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:20:35,585 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_813c78c8-7471-482e-b3d2-ab3d9adebff1/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2024-11-13 23:20:35,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:35,614 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:20:35,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35 WrapperNode [2024-11-13 23:20:35,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:35,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:35,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:20:35,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:20:35,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,645 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-13 23:20:35,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:35,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:20:35,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:20:35,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:20:35,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:20:35,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:20:35,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:20:35,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:20:35,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:35" (1/1) ... [2024-11-13 23:20:35,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:35,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:20:35,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:20:35,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813c78c8-7471-482e-b3d2-ab3d9adebff1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:20:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:20:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:20:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:20:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:20:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:20:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:20:35,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:20:35,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:20:35,956 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:20:35,956 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:20:36,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:20:36,010 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:20:36,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:36 BoogieIcfgContainer [2024-11-13 23:20:36,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:20:36,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:20:36,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:20:36,023 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:20:36,024 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:36" (1/1) ... [2024-11-13 23:20:36,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:20:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 23:20:36,078 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 23:20:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:20:36,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:36,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:36,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:36,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 23:20:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 23:20:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:20:36,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:36,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:36,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:20:36,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:36,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 23:20:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 23:20:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:20:36,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:36,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:37,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 23:20:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 23:20:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:20:37,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:37,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-13 23:20:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-13 23:20:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:20:38,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:38,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:38,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:20:38,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-13 23:20:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-13 23:20:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:20:40,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:40,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:40,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 23:20:40,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:52,077 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 [] [2024-11-13 23:20:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2024-11-13 23:20:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-13 23:20:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:20:52,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:52,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:52,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:20:52,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-13 23:20:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-13 23:20:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:20:57,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:57,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:21:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2024-11-13 23:21:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2024-11-13 23:21:02,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:21:02,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:02,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:02,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 23:21:02,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 66 states and 126 transitions. [2024-11-13 23:21:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2024-11-13 23:21:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:21:07,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:07,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 23:21:07,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 75 states and 143 transitions. [2024-11-13 23:21:12,655 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 143 transitions. [2024-11-13 23:21:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:21:12,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:12,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:13,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:21:13,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:21:20,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:20,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 87 states and 164 transitions. [2024-11-13 23:21:20,265 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 164 transitions. [2024-11-13 23:21:20,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:21:20,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:20,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:20,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:21:20,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:21:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 93 states and 179 transitions. [2024-11-13 23:21:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 179 transitions. [2024-11-13 23:21:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:21:28,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:28,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:21:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 81 states and 153 transitions. [2024-11-13 23:21:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 153 transitions. [2024-11-13 23:21:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:21:32,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:32,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:32,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 23:21:32,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:21:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:39,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 84 states and 160 transitions. [2024-11-13 23:21:39,772 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2024-11-13 23:21:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:21:39,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:39,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:56,591 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:22:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:22:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2024-11-13 23:22:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2024-11-13 23:22:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:22:18,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:18,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:22:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:18,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:22:18,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:22:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 94 states and 179 transitions. [2024-11-13 23:22:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 179 transitions. [2024-11-13 23:22:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:22:28,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:28,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:22:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:28,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 23:22:28,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:22:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:42,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 93 states and 181 transitions. [2024-11-13 23:22:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2024-11-13 23:22:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:22:42,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:42,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:22:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:43,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 23:22:43,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:23:47,575 WARN L286 SmtUtils]: Spent 22.03s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:24:11,362 WARN L286 SmtUtils]: Spent 21.69s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:24:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 104 states and 202 transitions. [2024-11-13 23:24:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 202 transitions. [2024-11-13 23:24:50,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:24:50,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:50,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:24:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:51,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 23:24:51,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:25:57,345 WARN L286 SmtUtils]: Spent 33.13s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:26:17,620 WARN L286 SmtUtils]: Spent 17.81s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:27:11,053 WARN L286 SmtUtils]: Spent 31.18s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:27:18,856 WARN L286 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:27:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 115 states and 223 transitions. [2024-11-13 23:27:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 223 transitions. [2024-11-13 23:27:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 23:27:19,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:19,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:27:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:27:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:20,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 23:27:20,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:28:10,224 WARN L286 SmtUtils]: Spent 36.35s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:28:44,098 WARN L286 SmtUtils]: Spent 30.25s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:29:02,076 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:29:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 118 states and 230 transitions. [2024-11-13 23:29:02,487 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 230 transitions. [2024-11-13 23:29:02,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 23:29:02,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:32:10,500 WARN L286 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:33:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 120 states and 234 transitions. [2024-11-13 23:33:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 234 transitions. [2024-11-13 23:33:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 23:33:37,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:33:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:33:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:38,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 23:33:38,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:30,299 WARN L286 SmtUtils]: Spent 40.80s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)