./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:54,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:54,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:26:54,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:54,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:54,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:54,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:54,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:54,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:54,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:54,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:54,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:54,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:54,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:54,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:54,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:54,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:54,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:54,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:54,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:54,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:54,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:54,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:54,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:54,591 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_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 [2024-12-05 21:26:54,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:54,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:54,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:54,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:54,864 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:54,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i [2024-12-05 21:26:57,595 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/data/0d07b2777/c47b82a306b74f9a99a005b61b32f955/FLAGf365d298d [2024-12-05 21:26:57,813 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:57,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i [2024-12-05 21:26:57,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/data/0d07b2777/c47b82a306b74f9a99a005b61b32f955/FLAGf365d298d [2024-12-05 21:26:57,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/data/0d07b2777/c47b82a306b74f9a99a005b61b32f955 [2024-12-05 21:26:57,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:57,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:57,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:57,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:57,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:57,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b69114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57, skipping insertion in model container [2024-12-05 21:26:57,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:58,002 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_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2024-12-05 21:26:58,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:58,028 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:58,039 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_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2024-12-05 21:26:58,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:58,060 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:58,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58 WrapperNode [2024-12-05 21:26:58,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:58,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:58,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:58,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:58,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,090 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-12-05 21:26:58,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:58,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:58,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:58,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:58,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,102 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:58,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:58,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:58,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:58,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:58,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:58,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:58,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9b231e-1d65-4f74-a4de-0bd28f0fef36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:26:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:26:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:26:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:26:58,225 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:58,227 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:26:58,350 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:26:58,350 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:26:58,397 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:26:58,397 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 21:26:58,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:58 BoogieIcfgContainer [2024-12-05 21:26:58,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:26:58,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:26:58,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:26:58,408 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:26:58,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:58" (1/1) ... [2024-12-05 21:26:58,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:26:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-05 21:26:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-05 21:26:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:26:58,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:58,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:58,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 21:26:58,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-05 21:26:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-05 21:26:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:26:58,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:58,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-05 21:26:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-05 21:26:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:26:59,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:59,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-05 21:27:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-05 21:27:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:27:00,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:00,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:00,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 21:27:00,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:01,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2024-12-05 21:27:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2024-12-05 21:27:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:27:01,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:01,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 21:27:01,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:01,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2024-12-05 21:27:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2024-12-05 21:27:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:27:03,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 21:27:05,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 31 states and 66 transitions. [2024-12-05 21:27:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 66 transitions. [2024-12-05 21:27:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:27:05,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:05,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:27:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 33 states and 75 transitions. [2024-12-05 21:27:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 75 transitions. [2024-12-05 21:27:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 21:27:07,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:07,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:07,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 21:27:07,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:27:23,960 WARN L286 SmtUtils]: Spent 15.06s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:27:34,375 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:27:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:35,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 39 states and 91 transitions. [2024-12-05 21:27:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 91 transitions. [2024-12-05 21:27:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:27:35,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:35,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:35,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 21:27:35,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:28:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 44 states and 108 transitions. [2024-12-05 21:28:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 108 transitions. [2024-12-05 21:28:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:28:02,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:02,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:28:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:28:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:02,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 21:28:02,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:28:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:28:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:04,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 48 states and 118 transitions. [2024-12-05 21:28:04,490 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 118 transitions. [2024-12-05 21:28:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 21:28:04,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:04,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:28:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:28:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:04,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 21:28:04,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:28:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:28:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 53 states and 135 transitions. [2024-12-05 21:28:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 135 transitions. [2024-12-05 21:28:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 21:28:31,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:31,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:28:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:28:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:31,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 21:28:31,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:28:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:28:36,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 57 states and 145 transitions. [2024-12-05 21:28:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 145 transitions. [2024-12-05 21:28:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 21:28:36,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:36,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:28:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:28:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:37,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 21:28:37,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:28:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:28:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 58 states and 141 transitions. [2024-12-05 21:28:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 141 transitions. [2024-12-05 21:28:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:28:55,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:55,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:28:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:29:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 21:29:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:29:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 60 states and 152 transitions. [2024-12-05 21:29:20,662 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 152 transitions. [2024-12-05 21:29:20,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 21:29:20,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:29:20,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:29:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:29:21,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 21:29:21,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:29:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:29:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:29:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 64 states and 163 transitions. [2024-12-05 21:29:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 163 transitions. [2024-12-05 21:29:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 21:29:57,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:29:57,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:29:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:29:58,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 21:29:58,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:30:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:30:37,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:30:37,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 21:30:37,355 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 21:30:37,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:30:37,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:30:37,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:30:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:30:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:30:37,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 21:30:37,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:30:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:31:09,889 WARN L286 SmtUtils]: Spent 10.52s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:31:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:31:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 71 states and 184 transitions. [2024-12-05 21:31:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 184 transitions. [2024-12-05 21:31:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 21:31:25,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:31:25,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:31:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:31:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 21:32:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 72 states and 186 transitions. [2024-12-05 21:32:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 186 transitions. [2024-12-05 21:32:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 21:32:15,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:32:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:32:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:17,606 WARN L254 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-05 21:32:17,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:41,940 WARN L286 SmtUtils]: Spent 22.22s 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) [2024-12-05 21:34:04,915 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:34:14,969 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:34:24,993 WARN L286 SmtUtils]: Spent 10.02s 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) [2024-12-05 21:34:45,018 WARN L286 SmtUtils]: Spent 20.02s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:37:22,209 WARN L286 SmtUtils]: Spent 2.54m on a formula simplification that was a NOOP. DAG size: 114 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:37:32,421 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:37:42,607 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:37:52,782 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:37:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 21:39:30,896 WARN L286 SmtUtils]: Spent 48.92s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:40:09,405 WARN L286 SmtUtils]: Spent 25.00s on a formula simplification. DAG size of input: 133 DAG size of output: 128 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:40:33,947 WARN L286 SmtUtils]: Spent 22.54s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)