/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 18:50:48,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 18:50:48,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 18:50:48,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 18:50:48,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 18:50:48,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 18:50:48,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 18:50:48,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 18:50:48,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 18:50:48,322 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 18:50:48,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 18:50:48,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 18:50:48,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 18:50:48,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 18:50:48,323 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 18:50:48,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 18:50:48,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 18:50:48,324 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 18:50:48,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 18:50:48,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 18:50:48,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 18:50:48,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 18:50:48,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 18:50:48,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 18:50:48,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 18:50:48,326 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 18:50:48,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 18:50:48,327 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 18:50:48,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 18:50:48,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 18:50:48,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 18:50:48,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 18:50:48,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 18:50:48,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 18:50:48,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 18:50:48,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 18:50:48,329 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 18:50:48,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 18:50:48,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 18:50:48,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 18:50:48,329 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 18:50:48,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 18:50:48,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 18:50:48,335 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 18:50:48,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 18:50:48,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 18:50:48,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 18:50:48,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 18:50:48,546 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 18:50:48,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label34.c [2023-12-15 18:50:49,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 18:50:49,818 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 18:50:49,819 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label34.c [2023-12-15 18:50:49,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f41a5235/7baf89c9e80d494c8a5b11067b22d9c5/FLAG987e2e217 [2023-12-15 18:50:49,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f41a5235/7baf89c9e80d494c8a5b11067b22d9c5 [2023-12-15 18:50:49,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 18:50:49,858 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 18:50:49,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 18:50:49,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 18:50:49,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 18:50:49,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 06:50:49" (1/1) ... [2023-12-15 18:50:49,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e667466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:49, skipping insertion in model container [2023-12-15 18:50:49,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 06:50:49" (1/1) ... [2023-12-15 18:50:49,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 18:50:50,125 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label34.c[2340,2353] [2023-12-15 18:50:50,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 18:50:50,631 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 18:50:50,646 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label34.c[2340,2353] [2023-12-15 18:50:50,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 18:50:50,912 INFO L206 MainTranslator]: Completed translation [2023-12-15 18:50:50,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50 WrapperNode [2023-12-15 18:50:50,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 18:50:50,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 18:50:50,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 18:50:50,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 18:50:50,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:50,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,184 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4761 [2023-12-15 18:50:51,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 18:50:51,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 18:50:51,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 18:50:51,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 18:50:51,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,318 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,431 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 18:50:51,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 18:50:51,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 18:50:51,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 18:50:51,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 18:50:51,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (1/1) ... [2023-12-15 18:50:51,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 18:50:51,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 18:50:51,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 18:50:51,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 18:50:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 18:50:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 18:50:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 18:50:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 18:50:51,714 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 18:50:51,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 18:50:54,825 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 18:50:54,874 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 18:50:54,874 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 18:50:54,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 06:50:54 BoogieIcfgContainer [2023-12-15 18:50:54,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 18:50:54,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 18:50:54,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 18:50:54,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 18:50:54,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 06:50:49" (1/3) ... [2023-12-15 18:50:54,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b12e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 06:50:54, skipping insertion in model container [2023-12-15 18:50:54,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:50:50" (2/3) ... [2023-12-15 18:50:54,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b12e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 06:50:54, skipping insertion in model container [2023-12-15 18:50:54,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 06:50:54" (3/3) ... [2023-12-15 18:50:54,880 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label34.c [2023-12-15 18:50:54,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 18:50:54,892 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 18:50:54,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 18:50:54,945 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36f7ddf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 18:50:54,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 18:50:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 756 states, 754 states have (on average 1.993368700265252) internal successors, (1503), 755 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:50:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-15 18:50:54,955 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:50:54,957 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:50:54,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:50:54,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:50:54,961 INFO L85 PathProgramCache]: Analyzing trace with hash -919984041, now seen corresponding path program 1 times [2023-12-15 18:50:54,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:50:54,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878975972] [2023-12-15 18:50:54,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:50:54,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:50:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:50:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:50:55,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:50:55,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878975972] [2023-12-15 18:50:55,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878975972] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:50:55,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:50:55,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 18:50:55,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195233309] [2023-12-15 18:50:55,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:50:55,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 18:50:55,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:50:55,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 18:50:55,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 18:50:55,103 INFO L87 Difference]: Start difference. First operand has 756 states, 754 states have (on average 1.993368700265252) internal successors, (1503), 755 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:50:55,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:50:55,159 INFO L93 Difference]: Finished difference Result 1511 states and 3005 transitions. [2023-12-15 18:50:55,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 18:50:55,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-15 18:50:55,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:50:55,173 INFO L225 Difference]: With dead ends: 1511 [2023-12-15 18:50:55,174 INFO L226 Difference]: Without dead ends: 754 [2023-12-15 18:50:55,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 18:50:55,185 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 18:50:55,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1438 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 18:50:55,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2023-12-15 18:50:55,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 754. [2023-12-15 18:50:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 753 states have (on average 1.9096945551128819) internal successors, (1438), 753 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:50:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1438 transitions. [2023-12-15 18:50:55,253 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1438 transitions. Word has length 15 [2023-12-15 18:50:55,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:50:55,253 INFO L495 AbstractCegarLoop]: Abstraction has 754 states and 1438 transitions. [2023-12-15 18:50:55,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:50:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1438 transitions. [2023-12-15 18:50:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-15 18:50:55,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:50:55,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:50:55,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 18:50:55,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:50:55,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:50:55,255 INFO L85 PathProgramCache]: Analyzing trace with hash 360283857, now seen corresponding path program 1 times [2023-12-15 18:50:55,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:50:55,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066710354] [2023-12-15 18:50:55,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:50:55,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:50:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:50:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:50:55,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:50:55,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066710354] [2023-12-15 18:50:55,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066710354] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:50:55,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:50:55,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 18:50:55,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487876637] [2023-12-15 18:50:55,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:50:55,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:50:55,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:50:55,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:50:55,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:50:55,340 INFO L87 Difference]: Start difference. First operand 754 states and 1438 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:50:58,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:50:58,211 INFO L93 Difference]: Finished difference Result 2258 states and 4311 transitions. [2023-12-15 18:50:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:50:58,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-15 18:50:58,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:50:58,217 INFO L225 Difference]: With dead ends: 2258 [2023-12-15 18:50:58,217 INFO L226 Difference]: Without dead ends: 1505 [2023-12-15 18:50:58,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:50:58,219 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 799 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 998 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 3276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 998 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-15 18:50:58,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 75 Invalid, 3276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [998 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-15 18:50:58,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2023-12-15 18:50:58,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1505. [2023-12-15 18:50:58,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1504 states have (on average 1.8703457446808511) internal successors, (2813), 1504 states have internal predecessors, (2813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:50:58,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2813 transitions. [2023-12-15 18:50:58,249 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2813 transitions. Word has length 15 [2023-12-15 18:50:58,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:50:58,249 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 2813 transitions. [2023-12-15 18:50:58,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:50:58,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2813 transitions. [2023-12-15 18:50:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-15 18:50:58,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:50:58,251 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:50:58,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 18:50:58,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:50:58,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:50:58,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1999340675, now seen corresponding path program 1 times [2023-12-15 18:50:58,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:50:58,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728069079] [2023-12-15 18:50:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:50:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:50:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:50:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:50:58,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:50:58,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728069079] [2023-12-15 18:50:58,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728069079] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:50:58,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:50:58,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 18:50:58,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302328791] [2023-12-15 18:50:58,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:50:58,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:50:58,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:50:58,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:50:58,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:50:58,443 INFO L87 Difference]: Start difference. First operand 1505 states and 2813 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:01,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:01,134 INFO L93 Difference]: Finished difference Result 4513 states and 8437 transitions. [2023-12-15 18:51:01,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:01,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-15 18:51:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:01,143 INFO L225 Difference]: With dead ends: 4513 [2023-12-15 18:51:01,143 INFO L226 Difference]: Without dead ends: 3009 [2023-12-15 18:51:01,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:01,145 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 918 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2310 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 2860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 2310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:01,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 352 Invalid, 2860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 2310 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-15 18:51:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2023-12-15 18:51:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 3007. [2023-12-15 18:51:01,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3007 states, 3006 states have (on average 1.6533599467731204) internal successors, (4970), 3006 states have internal predecessors, (4970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 3007 states and 4970 transitions. [2023-12-15 18:51:01,190 INFO L78 Accepts]: Start accepts. Automaton has 3007 states and 4970 transitions. Word has length 88 [2023-12-15 18:51:01,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:01,190 INFO L495 AbstractCegarLoop]: Abstraction has 3007 states and 4970 transitions. [2023-12-15 18:51:01,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3007 states and 4970 transitions. [2023-12-15 18:51:01,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-15 18:51:01,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:01,193 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:01,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 18:51:01,193 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:01,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:01,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1391454038, now seen corresponding path program 1 times [2023-12-15 18:51:01,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:01,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519481098] [2023-12-15 18:51:01,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:01,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:51:01,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:01,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519481098] [2023-12-15 18:51:01,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519481098] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:01,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:01,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:51:01,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112902634] [2023-12-15 18:51:01,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:01,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 18:51:01,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:01,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 18:51:01,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 18:51:01,441 INFO L87 Difference]: Start difference. First operand 3007 states and 4970 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:05,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:05,617 INFO L93 Difference]: Finished difference Result 8266 states and 13428 transitions. [2023-12-15 18:51:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 18:51:05,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2023-12-15 18:51:05,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:05,644 INFO L225 Difference]: With dead ends: 8266 [2023-12-15 18:51:05,644 INFO L226 Difference]: Without dead ends: 5260 [2023-12-15 18:51:05,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 18:51:05,649 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 2153 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4999 mSolverCounterSat, 851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2153 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 5850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 851 IncrementalHoareTripleChecker+Valid, 4999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:05,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2153 Valid, 351 Invalid, 5850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [851 Valid, 4999 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-12-15 18:51:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5260 states. [2023-12-15 18:51:05,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5260 to 5260. [2023-12-15 18:51:05,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5260 states, 5259 states have (on average 1.510363186917665) internal successors, (7943), 5259 states have internal predecessors, (7943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5260 states to 5260 states and 7943 transitions. [2023-12-15 18:51:05,756 INFO L78 Accepts]: Start accepts. Automaton has 5260 states and 7943 transitions. Word has length 101 [2023-12-15 18:51:05,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:05,756 INFO L495 AbstractCegarLoop]: Abstraction has 5260 states and 7943 transitions. [2023-12-15 18:51:05,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 5260 states and 7943 transitions. [2023-12-15 18:51:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 18:51:05,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:05,764 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:05,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 18:51:05,765 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:05,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:05,766 INFO L85 PathProgramCache]: Analyzing trace with hash 2143735635, now seen corresponding path program 1 times [2023-12-15 18:51:05,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:05,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639044428] [2023-12-15 18:51:05,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:05,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:51:06,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:06,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639044428] [2023-12-15 18:51:06,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639044428] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 18:51:06,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603477230] [2023-12-15 18:51:06,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:06,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:51:06,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 18:51:06,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 18:51:06,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 18:51:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:06,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 18:51:06,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 18:51:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-15 18:51:06,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 18:51:06,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603477230] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:06,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 18:51:06,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-12-15 18:51:06,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784418729] [2023-12-15 18:51:06,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:06,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:06,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:06,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:06,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 18:51:06,332 INFO L87 Difference]: Start difference. First operand 5260 states and 7943 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:08,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:08,935 INFO L93 Difference]: Finished difference Result 14274 states and 22312 transitions. [2023-12-15 18:51:08,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:08,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2023-12-15 18:51:08,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:08,961 INFO L225 Difference]: With dead ends: 14274 [2023-12-15 18:51:08,961 INFO L226 Difference]: Without dead ends: 9766 [2023-12-15 18:51:08,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 18:51:08,968 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 622 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2598 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 3103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 2598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:08,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 641 Invalid, 3103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 2598 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-15 18:51:08,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9766 states. [2023-12-15 18:51:09,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9766 to 8264. [2023-12-15 18:51:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8264 states, 8263 states have (on average 1.5477429505022389) internal successors, (12789), 8263 states have internal predecessors, (12789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8264 states to 8264 states and 12789 transitions. [2023-12-15 18:51:09,080 INFO L78 Accepts]: Start accepts. Automaton has 8264 states and 12789 transitions. Word has length 156 [2023-12-15 18:51:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:09,080 INFO L495 AbstractCegarLoop]: Abstraction has 8264 states and 12789 transitions. [2023-12-15 18:51:09,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 8264 states and 12789 transitions. [2023-12-15 18:51:09,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-15 18:51:09,082 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:09,083 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:09,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 18:51:09,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:51:09,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:09,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:09,288 INFO L85 PathProgramCache]: Analyzing trace with hash 2048647332, now seen corresponding path program 1 times [2023-12-15 18:51:09,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:09,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300715631] [2023-12-15 18:51:09,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-15 18:51:09,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:09,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300715631] [2023-12-15 18:51:09,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300715631] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:09,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:09,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:51:09,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874967165] [2023-12-15 18:51:09,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:09,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 18:51:09,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:09,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 18:51:09,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 18:51:09,594 INFO L87 Difference]: Start difference. First operand 8264 states and 12789 transitions. Second operand has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:12,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:12,249 INFO L93 Difference]: Finished difference Result 18817 states and 29044 transitions. [2023-12-15 18:51:12,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 18:51:12,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2023-12-15 18:51:12,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:12,287 INFO L225 Difference]: With dead ends: 18817 [2023-12-15 18:51:12,288 INFO L226 Difference]: Without dead ends: 11268 [2023-12-15 18:51:12,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 18:51:12,304 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 702 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 3108 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 3501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 3108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:12,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 705 Invalid, 3501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 3108 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-15 18:51:12,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11268 states. [2023-12-15 18:51:12,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11268 to 10517. [2023-12-15 18:51:12,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10517 states, 10516 states have (on average 1.4321985545834919) internal successors, (15061), 10516 states have internal predecessors, (15061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:12,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10517 states to 10517 states and 15061 transitions. [2023-12-15 18:51:12,446 INFO L78 Accepts]: Start accepts. Automaton has 10517 states and 15061 transitions. Word has length 236 [2023-12-15 18:51:12,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:12,446 INFO L495 AbstractCegarLoop]: Abstraction has 10517 states and 15061 transitions. [2023-12-15 18:51:12,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 10517 states and 15061 transitions. [2023-12-15 18:51:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-12-15 18:51:12,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:12,449 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:12,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 18:51:12,449 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:12,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:12,450 INFO L85 PathProgramCache]: Analyzing trace with hash -570553867, now seen corresponding path program 1 times [2023-12-15 18:51:12,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:12,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407989643] [2023-12-15 18:51:12,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-15 18:51:12,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:12,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407989643] [2023-12-15 18:51:12,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407989643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:12,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:12,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 18:51:12,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663310736] [2023-12-15 18:51:12,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:12,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:12,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:12,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:12,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:12,610 INFO L87 Difference]: Start difference. First operand 10517 states and 15061 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:14,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:14,964 INFO L93 Difference]: Finished difference Result 26290 states and 37838 transitions. [2023-12-15 18:51:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:14,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 306 [2023-12-15 18:51:14,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:14,986 INFO L225 Difference]: With dead ends: 26290 [2023-12-15 18:51:14,986 INFO L226 Difference]: Without dead ends: 16525 [2023-12-15 18:51:14,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:14,996 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 697 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 2772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:14,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 425 Invalid, 2772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-15 18:51:15,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16525 states. [2023-12-15 18:51:15,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16525 to 14272. [2023-12-15 18:51:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14272 states, 14271 states have (on average 1.249036507602831) internal successors, (17825), 14271 states have internal predecessors, (17825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14272 states to 14272 states and 17825 transitions. [2023-12-15 18:51:15,156 INFO L78 Accepts]: Start accepts. Automaton has 14272 states and 17825 transitions. Word has length 306 [2023-12-15 18:51:15,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:15,156 INFO L495 AbstractCegarLoop]: Abstraction has 14272 states and 17825 transitions. [2023-12-15 18:51:15,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 14272 states and 17825 transitions. [2023-12-15 18:51:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-12-15 18:51:15,161 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:15,161 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:15,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 18:51:15,162 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:15,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:15,163 INFO L85 PathProgramCache]: Analyzing trace with hash 150858062, now seen corresponding path program 1 times [2023-12-15 18:51:15,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:15,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441927296] [2023-12-15 18:51:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-15 18:51:15,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:15,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441927296] [2023-12-15 18:51:15,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441927296] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:15,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:15,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:51:15,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144508315] [2023-12-15 18:51:15,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:15,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:15,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:15,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:15,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:15,895 INFO L87 Difference]: Start difference. First operand 14272 states and 17825 transitions. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:18,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:18,479 INFO L93 Difference]: Finished difference Result 34551 states and 44194 transitions. [2023-12-15 18:51:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:18,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 385 [2023-12-15 18:51:18,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:18,506 INFO L225 Difference]: With dead ends: 34551 [2023-12-15 18:51:18,506 INFO L226 Difference]: Without dead ends: 21031 [2023-12-15 18:51:18,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:18,521 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 827 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 1001 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 3039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1001 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:18,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 145 Invalid, 3039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1001 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-15 18:51:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21031 states. [2023-12-15 18:51:18,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21031 to 20280. [2023-12-15 18:51:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20280 states, 20279 states have (on average 1.2658908230188866) internal successors, (25671), 20279 states have internal predecessors, (25671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20280 states to 20280 states and 25671 transitions. [2023-12-15 18:51:18,729 INFO L78 Accepts]: Start accepts. Automaton has 20280 states and 25671 transitions. Word has length 385 [2023-12-15 18:51:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:18,729 INFO L495 AbstractCegarLoop]: Abstraction has 20280 states and 25671 transitions. [2023-12-15 18:51:18,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 20280 states and 25671 transitions. [2023-12-15 18:51:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-12-15 18:51:18,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:18,735 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:18,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 18:51:18,735 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:18,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:18,735 INFO L85 PathProgramCache]: Analyzing trace with hash 825785289, now seen corresponding path program 1 times [2023-12-15 18:51:18,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:18,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030560950] [2023-12-15 18:51:18,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:18,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-15 18:51:18,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:18,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030560950] [2023-12-15 18:51:18,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030560950] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:18,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:18,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:51:18,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593463137] [2023-12-15 18:51:18,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:18,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:18,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:18,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:18,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:18,932 INFO L87 Difference]: Start difference. First operand 20280 states and 25671 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:21,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:21,578 INFO L93 Difference]: Finished difference Result 54828 states and 70665 transitions. [2023-12-15 18:51:21,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:21,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 401 [2023-12-15 18:51:21,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:21,632 INFO L225 Difference]: With dead ends: 54828 [2023-12-15 18:51:21,632 INFO L226 Difference]: Without dead ends: 35300 [2023-12-15 18:51:21,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:21,656 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 726 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 2940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:21,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 380 Invalid, 2940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [712 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-15 18:51:21,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35300 states. [2023-12-15 18:51:21,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35300 to 33798. [2023-12-15 18:51:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33798 states, 33797 states have (on average 1.243068911441844) internal successors, (42012), 33797 states have internal predecessors, (42012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33798 states to 33798 states and 42012 transitions. [2023-12-15 18:51:21,960 INFO L78 Accepts]: Start accepts. Automaton has 33798 states and 42012 transitions. Word has length 401 [2023-12-15 18:51:21,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:21,960 INFO L495 AbstractCegarLoop]: Abstraction has 33798 states and 42012 transitions. [2023-12-15 18:51:21,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 33798 states and 42012 transitions. [2023-12-15 18:51:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-12-15 18:51:21,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:21,971 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:21,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 18:51:21,972 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:21,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:21,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1336328591, now seen corresponding path program 1 times [2023-12-15 18:51:21,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:21,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067197945] [2023-12-15 18:51:21,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:21,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 41 proven. 14 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-12-15 18:51:22,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:22,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067197945] [2023-12-15 18:51:22,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067197945] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 18:51:22,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817293677] [2023-12-15 18:51:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:22,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:51:22,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 18:51:22,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 18:51:22,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 18:51:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:22,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 18:51:22,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 18:51:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2023-12-15 18:51:23,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 18:51:23,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817293677] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:23,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 18:51:23,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-12-15 18:51:23,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108299850] [2023-12-15 18:51:23,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:23,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:23,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:23,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:23,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 18:51:23,300 INFO L87 Difference]: Start difference. First operand 33798 states and 42012 transitions. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:25,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:25,899 INFO L93 Difference]: Finished difference Result 97635 states and 121961 transitions. [2023-12-15 18:51:25,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:25,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 494 [2023-12-15 18:51:25,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:25,972 INFO L225 Difference]: With dead ends: 97635 [2023-12-15 18:51:25,973 INFO L226 Difference]: Without dead ends: 64589 [2023-12-15 18:51:25,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 18:51:25,993 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 535 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 2852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 568 IncrementalHoareTripleChecker+Valid, 2284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:25,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 493 Invalid, 2852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [568 Valid, 2284 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-15 18:51:26,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64589 states. [2023-12-15 18:51:26,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64589 to 60083. [2023-12-15 18:51:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60083 states, 60082 states have (on average 1.1921873439632502) internal successors, (71629), 60082 states have internal predecessors, (71629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60083 states to 60083 states and 71629 transitions. [2023-12-15 18:51:26,700 INFO L78 Accepts]: Start accepts. Automaton has 60083 states and 71629 transitions. Word has length 494 [2023-12-15 18:51:26,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:26,701 INFO L495 AbstractCegarLoop]: Abstraction has 60083 states and 71629 transitions. [2023-12-15 18:51:26,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 60083 states and 71629 transitions. [2023-12-15 18:51:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2023-12-15 18:51:26,718 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:26,718 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:26,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 18:51:26,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 18:51:27,031 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:27,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:27,032 INFO L85 PathProgramCache]: Analyzing trace with hash -81381984, now seen corresponding path program 1 times [2023-12-15 18:51:27,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:27,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667187604] [2023-12-15 18:51:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:27,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 18:51:27,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:27,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667187604] [2023-12-15 18:51:27,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667187604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:27,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:27,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:51:27,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580642950] [2023-12-15 18:51:27,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:27,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:27,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:27,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:27,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:27,286 INFO L87 Difference]: Start difference. First operand 60083 states and 71629 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:30,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:30,097 INFO L93 Difference]: Finished difference Result 147201 states and 177626 transitions. [2023-12-15 18:51:30,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:30,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 500 [2023-12-15 18:51:30,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:30,187 INFO L225 Difference]: With dead ends: 147201 [2023-12-15 18:51:30,190 INFO L226 Difference]: Without dead ends: 87870 [2023-12-15 18:51:30,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:30,214 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 557 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 2844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 704 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:30,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1270 Invalid, 2844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [704 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-15 18:51:30,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87870 states. [2023-12-15 18:51:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87870 to 83364. [2023-12-15 18:51:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83364 states, 83363 states have (on average 1.165637033216175) internal successors, (97171), 83363 states have internal predecessors, (97171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83364 states to 83364 states and 97171 transitions. [2023-12-15 18:51:30,973 INFO L78 Accepts]: Start accepts. Automaton has 83364 states and 97171 transitions. Word has length 500 [2023-12-15 18:51:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:30,973 INFO L495 AbstractCegarLoop]: Abstraction has 83364 states and 97171 transitions. [2023-12-15 18:51:30,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 83364 states and 97171 transitions. [2023-12-15 18:51:31,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2023-12-15 18:51:31,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:31,169 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:31,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 18:51:31,169 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:31,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:31,170 INFO L85 PathProgramCache]: Analyzing trace with hash -301381587, now seen corresponding path program 1 times [2023-12-15 18:51:31,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:31,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098713789] [2023-12-15 18:51:31,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:31,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2023-12-15 18:51:31,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:31,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098713789] [2023-12-15 18:51:31,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098713789] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:31,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:31,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:51:31,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632668882] [2023-12-15 18:51:31,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:31,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:31,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:31,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:31,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:31,569 INFO L87 Difference]: Start difference. First operand 83364 states and 97171 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:34,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:34,222 INFO L93 Difference]: Finished difference Result 170482 states and 198244 transitions. [2023-12-15 18:51:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:34,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 506 [2023-12-15 18:51:34,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:34,312 INFO L225 Difference]: With dead ends: 170482 [2023-12-15 18:51:34,312 INFO L226 Difference]: Without dead ends: 83364 [2023-12-15 18:51:34,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:34,344 INFO L413 NwaCegarLoop]: 1233 mSDtfsCounter, 654 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2183 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 2736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 2183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:34,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 1240 Invalid, 2736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 2183 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-15 18:51:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83364 states. [2023-12-15 18:51:35,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83364 to 75103. [2023-12-15 18:51:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75103 states, 75102 states have (on average 1.1063220686532982) internal successors, (83087), 75102 states have internal predecessors, (83087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75103 states to 75103 states and 83087 transitions. [2023-12-15 18:51:35,342 INFO L78 Accepts]: Start accepts. Automaton has 75103 states and 83087 transitions. Word has length 506 [2023-12-15 18:51:35,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:35,343 INFO L495 AbstractCegarLoop]: Abstraction has 75103 states and 83087 transitions. [2023-12-15 18:51:35,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 75103 states and 83087 transitions. [2023-12-15 18:51:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2023-12-15 18:51:35,373 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:35,373 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:35,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 18:51:35,374 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:35,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:35,374 INFO L85 PathProgramCache]: Analyzing trace with hash -472644497, now seen corresponding path program 1 times [2023-12-15 18:51:35,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:35,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161481594] [2023-12-15 18:51:35,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:35,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-12-15 18:51:35,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:35,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161481594] [2023-12-15 18:51:35,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161481594] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:35,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:35,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:51:35,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450402554] [2023-12-15 18:51:35,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:35,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:35,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:35,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:35,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:35,920 INFO L87 Difference]: Start difference. First operand 75103 states and 83087 transitions. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:38,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:38,801 INFO L93 Difference]: Finished difference Result 178743 states and 198568 transitions. [2023-12-15 18:51:38,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:38,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 737 [2023-12-15 18:51:38,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:38,917 INFO L225 Difference]: With dead ends: 178743 [2023-12-15 18:51:38,917 INFO L226 Difference]: Without dead ends: 104392 [2023-12-15 18:51:38,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:38,934 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 429 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2462 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 2902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 2462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:38,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1167 Invalid, 2902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 2462 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-15 18:51:38,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104392 states. [2023-12-15 18:51:40,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104392 to 102890. [2023-12-15 18:51:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102890 states, 102889 states have (on average 1.097435099962095) internal successors, (112914), 102889 states have internal predecessors, (112914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102890 states to 102890 states and 112914 transitions. [2023-12-15 18:51:40,179 INFO L78 Accepts]: Start accepts. Automaton has 102890 states and 112914 transitions. Word has length 737 [2023-12-15 18:51:40,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:40,180 INFO L495 AbstractCegarLoop]: Abstraction has 102890 states and 112914 transitions. [2023-12-15 18:51:40,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 102890 states and 112914 transitions. [2023-12-15 18:51:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2023-12-15 18:51:40,216 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:40,217 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:40,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 18:51:40,217 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:40,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:40,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1102600448, now seen corresponding path program 1 times [2023-12-15 18:51:40,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:40,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469840936] [2023-12-15 18:51:40,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:40,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:51:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2023-12-15 18:51:40,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:51:40,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469840936] [2023-12-15 18:51:40,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469840936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:51:40,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:51:40,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:51:40,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362605867] [2023-12-15 18:51:40,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:51:40,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:51:40,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:51:40,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:51:40,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:40,590 INFO L87 Difference]: Start difference. First operand 102890 states and 112914 transitions. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:43,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:51:43,347 INFO L93 Difference]: Finished difference Result 226807 states and 249369 transitions. [2023-12-15 18:51:43,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:51:43,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 810 [2023-12-15 18:51:43,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:51:43,485 INFO L225 Difference]: With dead ends: 226807 [2023-12-15 18:51:43,485 INFO L226 Difference]: Without dead ends: 124669 [2023-12-15 18:51:43,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:51:43,504 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 857 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2183 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 2662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 2183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-15 18:51:43,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 1114 Invalid, 2662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 2183 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-15 18:51:43,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124669 states. [2023-12-15 18:51:44,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124669 to 119412. [2023-12-15 18:51:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119412 states, 119411 states have (on average 1.0886517992479754) internal successors, (129997), 119411 states have internal predecessors, (129997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119412 states to 119412 states and 129997 transitions. [2023-12-15 18:51:45,014 INFO L78 Accepts]: Start accepts. Automaton has 119412 states and 129997 transitions. Word has length 810 [2023-12-15 18:51:45,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:51:45,015 INFO L495 AbstractCegarLoop]: Abstraction has 119412 states and 129997 transitions. [2023-12-15 18:51:45,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 18:51:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 119412 states and 129997 transitions. [2023-12-15 18:51:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2023-12-15 18:51:45,051 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:51:45,051 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:45,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 18:51:45,051 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:51:45,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:51:45,052 INFO L85 PathProgramCache]: Analyzing trace with hash 591044595, now seen corresponding path program 1 times [2023-12-15 18:51:45,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:51:45,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135169350] [2023-12-15 18:51:45,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:51:45,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:51:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-15 18:51:46,688 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,721 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,721 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,721 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,721 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,721 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,721 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,721 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,737 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,737 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 18:51:46,739 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,739 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,748 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,748 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 18:51:46,751 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 18:51:46,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 18:51:46,751 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 906 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 904 interpolants. [2023-12-15 18:51:46,754 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:51:46,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 18:51:46,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 06:51:46 BoogieIcfgContainer [2023-12-15 18:51:46,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 18:51:46,757 INFO L158 Benchmark]: Toolchain (without parser) took 56898.38ms. Allocated memory was 194.0MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 131.7MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-12-15 18:51:46,757 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 194.0MB. Free memory was 143.0MB in the beginning and 142.9MB in the end (delta: 131.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 18:51:46,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1053.15ms. Allocated memory was 194.0MB in the beginning and 264.2MB in the end (delta: 70.3MB). Free memory was 131.4MB in the beginning and 98.4MB in the end (delta: 33.0MB). Peak memory consumption was 103.6MB. Max. memory is 8.0GB. [2023-12-15 18:51:46,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 270.26ms. Allocated memory is still 264.2MB. Free memory was 98.4MB in the beginning and 152.5MB in the end (delta: -54.1MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. [2023-12-15 18:51:46,757 INFO L158 Benchmark]: Boogie Preprocessor took 432.81ms. Allocated memory was 264.2MB in the beginning and 501.2MB in the end (delta: 237.0MB). Free memory was 152.5MB in the beginning and 386.7MB in the end (delta: -234.2MB). Peak memory consumption was 67.8MB. Max. memory is 8.0GB. [2023-12-15 18:51:46,757 INFO L158 Benchmark]: RCFGBuilder took 3255.93ms. Allocated memory was 501.2MB in the beginning and 709.9MB in the end (delta: 208.7MB). Free memory was 386.7MB in the beginning and 544.5MB in the end (delta: -157.8MB). Peak memory consumption was 202.4MB. Max. memory is 8.0GB. [2023-12-15 18:51:46,758 INFO L158 Benchmark]: TraceAbstraction took 51880.58ms. Allocated memory was 709.9MB in the beginning and 4.7GB in the end (delta: 4.0GB). Free memory was 543.5MB in the beginning and 3.0GB in the end (delta: -2.5GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2023-12-15 18:51:46,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 194.0MB. Free memory was 143.0MB in the beginning and 142.9MB in the end (delta: 131.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1053.15ms. Allocated memory was 194.0MB in the beginning and 264.2MB in the end (delta: 70.3MB). Free memory was 131.4MB in the beginning and 98.4MB in the end (delta: 33.0MB). Peak memory consumption was 103.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 270.26ms. Allocated memory is still 264.2MB. Free memory was 98.4MB in the beginning and 152.5MB in the end (delta: -54.1MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 432.81ms. Allocated memory was 264.2MB in the beginning and 501.2MB in the end (delta: 237.0MB). Free memory was 152.5MB in the beginning and 386.7MB in the end (delta: -234.2MB). Peak memory consumption was 67.8MB. Max. memory is 8.0GB. * RCFGBuilder took 3255.93ms. Allocated memory was 501.2MB in the beginning and 709.9MB in the end (delta: 208.7MB). Free memory was 386.7MB in the beginning and 544.5MB in the end (delta: -157.8MB). Peak memory consumption was 202.4MB. Max. memory is 8.0GB. * TraceAbstraction took 51880.58ms. Allocated memory was 709.9MB in the beginning and 4.7GB in the end (delta: 4.0GB). Free memory was 543.5MB in the beginning and 3.0GB in the end (delta: -2.5GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 70). Cancelled while NwaCegarLoop was analyzing trace of length 906 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 904 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 756 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.8s, OverallIterations: 15, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 37.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10476 SdHoareTripleChecker+Valid, 33.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10476 mSDsluCounter, 9796 SdHoareTripleChecker+Invalid, 27.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 8552 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32787 IncrementalHoareTripleChecker+Invalid, 41339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8552 mSolverCounterUnsat, 9694 mSDtfsCounter, 32787 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 692 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119412occurred in iteration=14, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 30793 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 5400 NumberOfCodeBlocks, 5400 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 5384 ConstructedInterpolants, 0 QuantifiedInterpolants, 13511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 860 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 4692/4719 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown