/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 01:49:34,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 01:49:34,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 01:49:34,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 01:49:34,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 01:49:34,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 01:49:34,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 01:49:34,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 01:49:34,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 01:49:34,527 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 01:49:34,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 01:49:34,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 01:49:34,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 01:49:34,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 01:49:34,530 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 01:49:34,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 01:49:34,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 01:49:34,531 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 01:49:34,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 01:49:34,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 01:49:34,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 01:49:34,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 01:49:34,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 01:49:34,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 01:49:34,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 01:49:34,533 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 01:49:34,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 01:49:34,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 01:49:34,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 01:49:34,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 01:49:34,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 01:49:34,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 01:49:34,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:49:34,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 01:49:34,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 01:49:34,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 01:49:34,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 01:49:34,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 01:49:34,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 01:49:34,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 01:49:34,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 01:49:34,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 01:49:34,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 01:49:34,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 01:49:34,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 01:49:34,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 01:49:34,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 01:49:34,969 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 01:49:34,978 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 01:49:34,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label06.c [2023-12-16 01:49:36,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 01:49:36,583 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 01:49:36,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label06.c [2023-12-16 01:49:36,601 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd5735b5/3f70d7330bd64547b94f9296278ddf8e/FLAGbc159c674 [2023-12-16 01:49:36,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd5735b5/3f70d7330bd64547b94f9296278ddf8e [2023-12-16 01:49:36,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 01:49:36,617 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 01:49:36,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 01:49:36,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 01:49:36,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 01:49:36,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:49:36" (1/1) ... [2023-12-16 01:49:36,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711f38c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:36, skipping insertion in model container [2023-12-16 01:49:36,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:49:36" (1/1) ... [2023-12-16 01:49:36,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 01:49:36,943 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/Problem11_label06.c[9087,9100] [2023-12-16 01:49:37,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:49:37,118 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 01:49:37,167 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/Problem11_label06.c[9087,9100] [2023-12-16 01:49:37,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:49:37,355 INFO L206 MainTranslator]: Completed translation [2023-12-16 01:49:37,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37 WrapperNode [2023-12-16 01:49:37,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 01:49:37,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 01:49:37,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 01:49:37,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 01:49:37,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,485 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-12-16 01:49:37,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 01:49:37,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 01:49:37,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 01:49:37,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 01:49:37,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,554 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]. [2023-12-16 01:49:37,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 01:49:37,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 01:49:37,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 01:49:37,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 01:49:37,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (1/1) ... [2023-12-16 01:49:37,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:49:37,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:49:37,669 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) [2023-12-16 01:49:37,707 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 [2023-12-16 01:49:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 01:49:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 01:49:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 01:49:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 01:49:37,771 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 01:49:37,773 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 01:49:39,076 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 01:49:39,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 01:49:39,121 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 01:49:39,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:49:39 BoogieIcfgContainer [2023-12-16 01:49:39,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 01:49:39,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 01:49:39,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 01:49:39,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 01:49:39,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:49:36" (1/3) ... [2023-12-16 01:49:39,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332cebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:49:39, skipping insertion in model container [2023-12-16 01:49:39,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:37" (2/3) ... [2023-12-16 01:49:39,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332cebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:49:39, skipping insertion in model container [2023-12-16 01:49:39,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:49:39" (3/3) ... [2023-12-16 01:49:39,129 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2023-12-16 01:49:39,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 01:49:39,144 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 01:49:39,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 01:49:39,207 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;@3bf7e9b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 01:49:39,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 01:49:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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) [2023-12-16 01:49:39,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-16 01:49:39,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:39,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:39,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:39,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:39,233 INFO L85 PathProgramCache]: Analyzing trace with hash -560498141, now seen corresponding path program 1 times [2023-12-16 01:49:39,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:39,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193949434] [2023-12-16 01:49:39,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:39,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:39,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:39,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193949434] [2023-12-16 01:49:39,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193949434] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:39,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:39,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:39,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467599188] [2023-12-16 01:49:39,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:39,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 01:49:39,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:39,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 01:49:39,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 01:49:39,505 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2023-12-16 01:49:39,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:39,559 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-12-16 01:49:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 01:49:39,562 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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 62 [2023-12-16 01:49:39,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:39,575 INFO L225 Difference]: With dead ends: 441 [2023-12-16 01:49:39,575 INFO L226 Difference]: Without dead ends: 219 [2023-12-16 01:49:39,580 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 [2023-12-16 01:49:39,583 INFO L413 NwaCegarLoop]: 355 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, 355 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 [2023-12-16 01:49:39,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 01:49:39,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-16 01:49:39,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-16 01:49:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 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) [2023-12-16 01:49:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-12-16 01:49:39,643 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 62 [2023-12-16 01:49:39,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:39,643 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-12-16 01:49:39,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2023-12-16 01:49:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-12-16 01:49:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-16 01:49:39,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:39,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:39,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 01:49:39,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:39,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:39,649 INFO L85 PathProgramCache]: Analyzing trace with hash -515401138, now seen corresponding path program 1 times [2023-12-16 01:49:39,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:39,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189556784] [2023-12-16 01:49:39,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:39,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:39,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:39,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189556784] [2023-12-16 01:49:39,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189556784] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:39,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:39,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040166499] [2023-12-16 01:49:39,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:39,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:39,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:39,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:39,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:39,853 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 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) [2023-12-16 01:49:40,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:40,674 INFO L93 Difference]: Finished difference Result 630 states and 1026 transitions. [2023-12-16 01:49:40,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:40,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 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 62 [2023-12-16 01:49:40,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:40,677 INFO L225 Difference]: With dead ends: 630 [2023-12-16 01:49:40,677 INFO L226 Difference]: Without dead ends: 412 [2023-12-16 01:49:40,678 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 [2023-12-16 01:49:40,680 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 161 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:40,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 155 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 01:49:40,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-12-16 01:49:40,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2023-12-16 01:49:40,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.4549878345498783) internal successors, (598), 411 states have internal predecessors, (598), 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) [2023-12-16 01:49:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 598 transitions. [2023-12-16 01:49:40,697 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 598 transitions. Word has length 62 [2023-12-16 01:49:40,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:40,698 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 598 transitions. [2023-12-16 01:49:40,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 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) [2023-12-16 01:49:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 598 transitions. [2023-12-16 01:49:40,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-16 01:49:40,700 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:40,700 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 01:49:40,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 01:49:40,701 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:40,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1290733109, now seen corresponding path program 1 times [2023-12-16 01:49:40,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:40,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030632883] [2023-12-16 01:49:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:40,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:40,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:40,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030632883] [2023-12-16 01:49:40,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030632883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:40,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:40,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:40,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588448057] [2023-12-16 01:49:40,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:40,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:40,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:40,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:40,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:40,901 INFO L87 Difference]: Start difference. First operand 412 states and 598 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 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) [2023-12-16 01:49:41,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:41,627 INFO L93 Difference]: Finished difference Result 1210 states and 1762 transitions. [2023-12-16 01:49:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:41,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 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 130 [2023-12-16 01:49:41,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:41,631 INFO L225 Difference]: With dead ends: 1210 [2023-12-16 01:49:41,631 INFO L226 Difference]: Without dead ends: 799 [2023-12-16 01:49:41,633 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 [2023-12-16 01:49:41,634 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:41,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 118 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:49:41,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-12-16 01:49:41,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 788. [2023-12-16 01:49:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 787 states have (on average 1.3748411689961881) internal successors, (1082), 787 states have internal predecessors, (1082), 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) [2023-12-16 01:49:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1082 transitions. [2023-12-16 01:49:41,662 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1082 transitions. Word has length 130 [2023-12-16 01:49:41,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:41,662 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1082 transitions. [2023-12-16 01:49:41,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 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) [2023-12-16 01:49:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1082 transitions. [2023-12-16 01:49:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-16 01:49:41,665 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:41,666 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 01:49:41,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 01:49:41,666 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:41,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:41,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1577597894, now seen corresponding path program 1 times [2023-12-16 01:49:41,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:41,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482986656] [2023-12-16 01:49:41,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:41,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:41,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:41,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482986656] [2023-12-16 01:49:41,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482986656] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:41,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:41,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:41,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201299990] [2023-12-16 01:49:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:41,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:41,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:41,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:41,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:41,940 INFO L87 Difference]: Start difference. First operand 788 states and 1082 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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) [2023-12-16 01:49:42,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:42,609 INFO L93 Difference]: Finished difference Result 1944 states and 2611 transitions. [2023-12-16 01:49:42,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:42,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 132 [2023-12-16 01:49:42,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:42,614 INFO L225 Difference]: With dead ends: 1944 [2023-12-16 01:49:42,614 INFO L226 Difference]: Without dead ends: 1157 [2023-12-16 01:49:42,616 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 [2023-12-16 01:49:42,617 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:42,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 188 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:49:42,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2023-12-16 01:49:42,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2023-12-16 01:49:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.270995670995671) internal successors, (1468), 1155 states have internal predecessors, (1468), 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) [2023-12-16 01:49:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1468 transitions. [2023-12-16 01:49:42,646 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1468 transitions. Word has length 132 [2023-12-16 01:49:42,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:42,646 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1468 transitions. [2023-12-16 01:49:42,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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) [2023-12-16 01:49:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1468 transitions. [2023-12-16 01:49:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-16 01:49:42,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:42,651 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 01:49:42,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 01:49:42,651 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:42,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:42,652 INFO L85 PathProgramCache]: Analyzing trace with hash -291188992, now seen corresponding path program 1 times [2023-12-16 01:49:42,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:42,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549986471] [2023-12-16 01:49:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:42,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:42,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:42,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549986471] [2023-12-16 01:49:42,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549986471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:42,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:42,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:49:42,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447180798] [2023-12-16 01:49:42,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:42,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:42,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:42,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:42,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:42,861 INFO L87 Difference]: Start difference. First operand 1156 states and 1468 transitions. Second operand has 3 states, 3 states have (on average 63.0) 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) [2023-12-16 01:49:43,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:43,588 INFO L93 Difference]: Finished difference Result 2518 states and 3348 transitions. [2023-12-16 01:49:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:43,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) 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 189 [2023-12-16 01:49:43,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:43,598 INFO L225 Difference]: With dead ends: 2518 [2023-12-16 01:49:43,598 INFO L226 Difference]: Without dead ends: 1547 [2023-12-16 01:49:43,600 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 [2023-12-16 01:49:43,601 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 172 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:43,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 319 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:49:43,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2023-12-16 01:49:43,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1544. [2023-12-16 01:49:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1543 states have (on average 1.2935839274141283) internal successors, (1996), 1543 states have internal predecessors, (1996), 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) [2023-12-16 01:49:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 1996 transitions. [2023-12-16 01:49:43,648 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 1996 transitions. Word has length 189 [2023-12-16 01:49:43,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:43,649 INFO L495 AbstractCegarLoop]: Abstraction has 1544 states and 1996 transitions. [2023-12-16 01:49:43,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) 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) [2023-12-16 01:49:43,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 1996 transitions. [2023-12-16 01:49:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-12-16 01:49:43,653 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:43,654 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:43,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 01:49:43,654 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:43,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:43,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1474064227, now seen corresponding path program 1 times [2023-12-16 01:49:43,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:43,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562746769] [2023-12-16 01:49:43,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:43,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-16 01:49:43,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:43,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562746769] [2023-12-16 01:49:43,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562746769] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:43,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:43,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:49:43,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006025551] [2023-12-16 01:49:43,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:43,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:43,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:43,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:43,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:43,925 INFO L87 Difference]: Start difference. First operand 1544 states and 1996 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2023-12-16 01:49:44,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:44,662 INFO L93 Difference]: Finished difference Result 4008 states and 5315 transitions. [2023-12-16 01:49:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:44,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 244 [2023-12-16 01:49:44,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:44,673 INFO L225 Difference]: With dead ends: 4008 [2023-12-16 01:49:44,673 INFO L226 Difference]: Without dead ends: 2649 [2023-12-16 01:49:44,675 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 [2023-12-16 01:49:44,676 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 144 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:44,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 344 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:49:44,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-16 01:49:44,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 2649. [2023-12-16 01:49:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2649 states, 2648 states have (on average 1.243202416918429) internal successors, (3292), 2648 states have internal predecessors, (3292), 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) [2023-12-16 01:49:44,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 3292 transitions. [2023-12-16 01:49:44,724 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 3292 transitions. Word has length 244 [2023-12-16 01:49:44,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:44,724 INFO L495 AbstractCegarLoop]: Abstraction has 2649 states and 3292 transitions. [2023-12-16 01:49:44,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2023-12-16 01:49:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 3292 transitions. [2023-12-16 01:49:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-12-16 01:49:44,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:44,729 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:44,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 01:49:44,730 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:44,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:44,730 INFO L85 PathProgramCache]: Analyzing trace with hash 116198508, now seen corresponding path program 1 times [2023-12-16 01:49:44,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:44,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631108452] [2023-12-16 01:49:44,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:44,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 25 proven. 96 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-16 01:49:45,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:45,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631108452] [2023-12-16 01:49:45,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631108452] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:49:45,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222337086] [2023-12-16 01:49:45,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:45,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:49:45,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:49:45,212 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) [2023-12-16 01:49:45,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 01:49:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:45,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:49:45,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:49:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-16 01:49:45,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:49:45,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222337086] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:45,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:49:45,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-16 01:49:45,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052176275] [2023-12-16 01:49:45,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:45,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:45,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:45,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:45,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:49:45,493 INFO L87 Difference]: Start difference. First operand 2649 states and 3292 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2023-12-16 01:49:46,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:46,326 INFO L93 Difference]: Finished difference Result 6227 states and 7864 transitions. [2023-12-16 01:49:46,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:46,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 250 [2023-12-16 01:49:46,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:46,339 INFO L225 Difference]: With dead ends: 6227 [2023-12-16 01:49:46,340 INFO L226 Difference]: Without dead ends: 3763 [2023-12-16 01:49:46,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:49:46,344 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 133 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:46,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 381 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 01:49:46,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2023-12-16 01:49:46,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3754. [2023-12-16 01:49:46,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3754 states, 3753 states have (on average 1.2192912336797228) internal successors, (4576), 3753 states have internal predecessors, (4576), 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) [2023-12-16 01:49:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 3754 states and 4576 transitions. [2023-12-16 01:49:46,405 INFO L78 Accepts]: Start accepts. Automaton has 3754 states and 4576 transitions. Word has length 250 [2023-12-16 01:49:46,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:46,405 INFO L495 AbstractCegarLoop]: Abstraction has 3754 states and 4576 transitions. [2023-12-16 01:49:46,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2023-12-16 01:49:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3754 states and 4576 transitions. [2023-12-16 01:49:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2023-12-16 01:49:46,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:46,413 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-16 01:49:46,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 01:49:46,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:49:46,623 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:46,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:46,623 INFO L85 PathProgramCache]: Analyzing trace with hash 804798186, now seen corresponding path program 1 times [2023-12-16 01:49:46,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:46,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116671747] [2023-12-16 01:49:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:46,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-16 01:49:46,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:46,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116671747] [2023-12-16 01:49:46,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116671747] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:46,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:46,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:49:46,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192508728] [2023-12-16 01:49:46,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:46,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:46,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:46,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:46,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:46,927 INFO L87 Difference]: Start difference. First operand 3754 states and 4576 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2023-12-16 01:49:47,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:47,735 INFO L93 Difference]: Finished difference Result 8441 states and 10450 transitions. [2023-12-16 01:49:47,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:47,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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 321 [2023-12-16 01:49:47,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:47,750 INFO L225 Difference]: With dead ends: 8441 [2023-12-16 01:49:47,751 INFO L226 Difference]: Without dead ends: 4872 [2023-12-16 01:49:47,756 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 [2023-12-16 01:49:47,757 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 135 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:47,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 341 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 01:49:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2023-12-16 01:49:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4675. [2023-12-16 01:49:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4675 states, 4674 states have (on average 1.209456568249893) internal successors, (5653), 4674 states have internal predecessors, (5653), 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) [2023-12-16 01:49:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4675 states to 4675 states and 5653 transitions. [2023-12-16 01:49:47,839 INFO L78 Accepts]: Start accepts. Automaton has 4675 states and 5653 transitions. Word has length 321 [2023-12-16 01:49:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:47,840 INFO L495 AbstractCegarLoop]: Abstraction has 4675 states and 5653 transitions. [2023-12-16 01:49:47,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2023-12-16 01:49:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4675 states and 5653 transitions. [2023-12-16 01:49:47,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-12-16 01:49:47,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:47,848 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-16 01:49:47,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 01:49:47,848 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:47,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:47,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1763582767, now seen corresponding path program 1 times [2023-12-16 01:49:47,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:47,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969086134] [2023-12-16 01:49:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:47,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-16 01:49:48,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:48,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969086134] [2023-12-16 01:49:48,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969086134] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:48,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:48,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:49:48,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420256015] [2023-12-16 01:49:48,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:48,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:48,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:48,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:48,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:48,072 INFO L87 Difference]: Start difference. First operand 4675 states and 5653 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2023-12-16 01:49:48,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:48,728 INFO L93 Difference]: Finished difference Result 9325 states and 11271 transitions. [2023-12-16 01:49:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:48,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 324 [2023-12-16 01:49:48,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:48,745 INFO L225 Difference]: With dead ends: 9325 [2023-12-16 01:49:48,745 INFO L226 Difference]: Without dead ends: 4651 [2023-12-16 01:49:48,751 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 [2023-12-16 01:49:48,753 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 158 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:48,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 148 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:49:48,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2023-12-16 01:49:48,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4650. [2023-12-16 01:49:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4650 states, 4649 states have (on average 1.1525059152505914) internal successors, (5358), 4649 states have internal predecessors, (5358), 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) [2023-12-16 01:49:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4650 states to 4650 states and 5358 transitions. [2023-12-16 01:49:48,835 INFO L78 Accepts]: Start accepts. Automaton has 4650 states and 5358 transitions. Word has length 324 [2023-12-16 01:49:48,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:48,836 INFO L495 AbstractCegarLoop]: Abstraction has 4650 states and 5358 transitions. [2023-12-16 01:49:48,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2023-12-16 01:49:48,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4650 states and 5358 transitions. [2023-12-16 01:49:48,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2023-12-16 01:49:48,846 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:48,847 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-16 01:49:48,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 01:49:48,847 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:48,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:48,848 INFO L85 PathProgramCache]: Analyzing trace with hash 289220601, now seen corresponding path program 1 times [2023-12-16 01:49:48,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:48,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926879595] [2023-12-16 01:49:48,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:49,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:49,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926879595] [2023-12-16 01:49:49,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926879595] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:49,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:49,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 01:49:49,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894031648] [2023-12-16 01:49:49,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:49,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:49:49,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:49,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:49:49,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:49:49,560 INFO L87 Difference]: Start difference. First operand 4650 states and 5358 transitions. Second operand has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 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) [2023-12-16 01:49:50,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:50,805 INFO L93 Difference]: Finished difference Result 12639 states and 14696 transitions. [2023-12-16 01:49:50,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:49:50,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 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 387 [2023-12-16 01:49:50,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:50,829 INFO L225 Difference]: With dead ends: 12639 [2023-12-16 01:49:50,829 INFO L226 Difference]: Without dead ends: 7990 [2023-12-16 01:49:50,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:49:50,836 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 216 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:50,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 171 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 01:49:50,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7990 states. [2023-12-16 01:49:50,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7990 to 7434. [2023-12-16 01:49:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7434 states, 7433 states have (on average 1.1467778824162518) internal successors, (8524), 7433 states have internal predecessors, (8524), 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) [2023-12-16 01:49:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7434 states to 7434 states and 8524 transitions. [2023-12-16 01:49:51,013 INFO L78 Accepts]: Start accepts. Automaton has 7434 states and 8524 transitions. Word has length 387 [2023-12-16 01:49:51,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:51,013 INFO L495 AbstractCegarLoop]: Abstraction has 7434 states and 8524 transitions. [2023-12-16 01:49:51,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 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) [2023-12-16 01:49:51,014 INFO L276 IsEmpty]: Start isEmpty. Operand 7434 states and 8524 transitions. [2023-12-16 01:49:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2023-12-16 01:49:51,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:51,028 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-16 01:49:51,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 01:49:51,029 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:51,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:51,030 INFO L85 PathProgramCache]: Analyzing trace with hash -811419404, now seen corresponding path program 1 times [2023-12-16 01:49:51,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:51,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084907227] [2023-12-16 01:49:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 01:49:51,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:51,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084907227] [2023-12-16 01:49:51,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084907227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:51,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:51,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:51,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57674936] [2023-12-16 01:49:51,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:51,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:51,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:51,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:51,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:51,357 INFO L87 Difference]: Start difference. First operand 7434 states and 8524 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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) [2023-12-16 01:49:51,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:51,768 INFO L93 Difference]: Finished difference Result 14861 states and 17041 transitions. [2023-12-16 01:49:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:51,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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 402 [2023-12-16 01:49:51,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:51,800 INFO L225 Difference]: With dead ends: 14861 [2023-12-16 01:49:51,800 INFO L226 Difference]: Without dead ends: 7428 [2023-12-16 01:49:51,809 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 [2023-12-16 01:49:51,810 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:51,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 37 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 01:49:51,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7428 states. [2023-12-16 01:49:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7428 to 7427. [2023-12-16 01:49:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7427 states, 7426 states have (on average 1.1461082682467008) internal successors, (8511), 7426 states have internal predecessors, (8511), 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) [2023-12-16 01:49:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7427 states to 7427 states and 8511 transitions. [2023-12-16 01:49:51,950 INFO L78 Accepts]: Start accepts. Automaton has 7427 states and 8511 transitions. Word has length 402 [2023-12-16 01:49:51,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:51,951 INFO L495 AbstractCegarLoop]: Abstraction has 7427 states and 8511 transitions. [2023-12-16 01:49:51,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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) [2023-12-16 01:49:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 7427 states and 8511 transitions. [2023-12-16 01:49:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2023-12-16 01:49:51,965 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:51,966 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-16 01:49:51,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 01:49:51,967 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:51,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:51,967 INFO L85 PathProgramCache]: Analyzing trace with hash 908523207, now seen corresponding path program 1 times [2023-12-16 01:49:51,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:51,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40169703] [2023-12-16 01:49:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:51,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-12-16 01:49:52,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:52,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40169703] [2023-12-16 01:49:52,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40169703] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:52,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:52,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:49:52,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202704852] [2023-12-16 01:49:52,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:52,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:52,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:52,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:52,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:52,343 INFO L87 Difference]: Start difference. First operand 7427 states and 8511 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-12-16 01:49:53,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:53,059 INFO L93 Difference]: Finished difference Result 16713 states and 19128 transitions. [2023-12-16 01:49:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:53,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 434 [2023-12-16 01:49:53,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:53,073 INFO L225 Difference]: With dead ends: 16713 [2023-12-16 01:49:53,073 INFO L226 Difference]: Without dead ends: 9287 [2023-12-16 01:49:53,079 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 [2023-12-16 01:49:53,080 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 66 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:53,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 177 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:49:53,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9287 states. [2023-12-16 01:49:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9287 to 9083. [2023-12-16 01:49:53,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9083 states, 9082 states have (on average 1.1353226161638406) internal successors, (10311), 9082 states have internal predecessors, (10311), 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) [2023-12-16 01:49:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9083 states to 9083 states and 10311 transitions. [2023-12-16 01:49:53,192 INFO L78 Accepts]: Start accepts. Automaton has 9083 states and 10311 transitions. Word has length 434 [2023-12-16 01:49:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:53,193 INFO L495 AbstractCegarLoop]: Abstraction has 9083 states and 10311 transitions. [2023-12-16 01:49:53,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-12-16 01:49:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 9083 states and 10311 transitions. [2023-12-16 01:49:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2023-12-16 01:49:53,208 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:53,209 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:53,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 01:49:53,210 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:53,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:53,210 INFO L85 PathProgramCache]: Analyzing trace with hash -61085397, now seen corresponding path program 1 times [2023-12-16 01:49:53,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:53,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354114603] [2023-12-16 01:49:53,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:53,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-12-16 01:49:53,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:53,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354114603] [2023-12-16 01:49:53,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354114603] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:53,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:53,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:49:53,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571667037] [2023-12-16 01:49:53,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:53,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:53,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:53,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:53,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:53,459 INFO L87 Difference]: Start difference. First operand 9083 states and 10311 transitions. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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) [2023-12-16 01:49:54,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:54,281 INFO L93 Difference]: Finished difference Result 20924 states and 23746 transitions. [2023-12-16 01:49:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:54,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 486 [2023-12-16 01:49:54,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:54,301 INFO L225 Difference]: With dead ends: 20924 [2023-12-16 01:49:54,301 INFO L226 Difference]: Without dead ends: 11106 [2023-12-16 01:49:54,311 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 [2023-12-16 01:49:54,312 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 65 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:54,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 347 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:49:54,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11106 states. [2023-12-16 01:49:54,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11106 to 10554. [2023-12-16 01:49:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10554 states, 10553 states have (on average 1.1255567137306928) internal successors, (11878), 10553 states have internal predecessors, (11878), 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) [2023-12-16 01:49:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10554 states to 10554 states and 11878 transitions. [2023-12-16 01:49:54,450 INFO L78 Accepts]: Start accepts. Automaton has 10554 states and 11878 transitions. Word has length 486 [2023-12-16 01:49:54,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:54,451 INFO L495 AbstractCegarLoop]: Abstraction has 10554 states and 11878 transitions. [2023-12-16 01:49:54,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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) [2023-12-16 01:49:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 10554 states and 11878 transitions. [2023-12-16 01:49:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2023-12-16 01:49:54,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:54,471 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:54,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 01:49:54,471 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:54,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:54,471 INFO L85 PathProgramCache]: Analyzing trace with hash 688313843, now seen corresponding path program 1 times [2023-12-16 01:49:54,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:54,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146384757] [2023-12-16 01:49:54,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 621 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2023-12-16 01:49:55,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:55,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146384757] [2023-12-16 01:49:55,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146384757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:55,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:55,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:49:55,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443914707] [2023-12-16 01:49:55,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:55,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:55,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:55,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:55,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:55,047 INFO L87 Difference]: Start difference. First operand 10554 states and 11878 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2023-12-16 01:49:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:55,804 INFO L93 Difference]: Finished difference Result 24422 states and 27489 transitions. [2023-12-16 01:49:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:55,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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 526 [2023-12-16 01:49:55,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:55,831 INFO L225 Difference]: With dead ends: 24422 [2023-12-16 01:49:55,832 INFO L226 Difference]: Without dead ends: 13869 [2023-12-16 01:49:55,843 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 [2023-12-16 01:49:55,844 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 124 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:55,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 77 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:49:55,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13869 states. [2023-12-16 01:49:55,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13869 to 13866. [2023-12-16 01:49:56,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13866 states, 13865 states have (on average 1.1179228272628923) internal successors, (15500), 13865 states have internal predecessors, (15500), 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) [2023-12-16 01:49:56,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13866 states to 13866 states and 15500 transitions. [2023-12-16 01:49:56,032 INFO L78 Accepts]: Start accepts. Automaton has 13866 states and 15500 transitions. Word has length 526 [2023-12-16 01:49:56,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:56,032 INFO L495 AbstractCegarLoop]: Abstraction has 13866 states and 15500 transitions. [2023-12-16 01:49:56,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2023-12-16 01:49:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 13866 states and 15500 transitions. [2023-12-16 01:49:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2023-12-16 01:49:56,051 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:56,052 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:56,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 01:49:56,052 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:56,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:56,053 INFO L85 PathProgramCache]: Analyzing trace with hash -472209220, now seen corresponding path program 1 times [2023-12-16 01:49:56,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:56,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612213922] [2023-12-16 01:49:56,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:56,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 324 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-12-16 01:49:57,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:57,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612213922] [2023-12-16 01:49:57,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612213922] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:49:57,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225330302] [2023-12-16 01:49:57,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:57,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:49:57,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:49:57,423 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) [2023-12-16 01:49:57,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 01:49:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:57,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:49:57,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:49:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-12-16 01:49:57,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:49:57,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225330302] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:57,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:49:57,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-16 01:49:57,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060851196] [2023-12-16 01:49:57,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:57,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:57,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:57,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:57,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 01:49:57,849 INFO L87 Difference]: Start difference. First operand 13866 states and 15500 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2023-12-16 01:49:58,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:58,505 INFO L93 Difference]: Finished difference Result 16260 states and 18134 transitions. [2023-12-16 01:49:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:58,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 532 [2023-12-16 01:49:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:58,530 INFO L225 Difference]: With dead ends: 16260 [2023-12-16 01:49:58,530 INFO L226 Difference]: Without dead ends: 16258 [2023-12-16 01:49:58,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 01:49:58,537 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 157 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:58,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 135 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:49:58,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16258 states. [2023-12-16 01:49:58,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16258 to 13866. [2023-12-16 01:49:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13866 states, 13865 states have (on average 1.1178507032095204) internal successors, (15499), 13865 states have internal predecessors, (15499), 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) [2023-12-16 01:49:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13866 states to 13866 states and 15499 transitions. [2023-12-16 01:49:58,726 INFO L78 Accepts]: Start accepts. Automaton has 13866 states and 15499 transitions. Word has length 532 [2023-12-16 01:49:58,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:58,727 INFO L495 AbstractCegarLoop]: Abstraction has 13866 states and 15499 transitions. [2023-12-16 01:49:58,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2023-12-16 01:49:58,727 INFO L276 IsEmpty]: Start isEmpty. Operand 13866 states and 15499 transitions. [2023-12-16 01:49:58,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2023-12-16 01:49:58,743 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:58,744 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:58,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 01:49:58,959 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,SelfDestructingSolverStorable14 [2023-12-16 01:49:58,960 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:58,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:58,960 INFO L85 PathProgramCache]: Analyzing trace with hash -783295888, now seen corresponding path program 1 times [2023-12-16 01:49:58,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:58,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828226718] [2023-12-16 01:49:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:58,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 902 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-12-16 01:50:00,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:00,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828226718] [2023-12-16 01:50:00,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828226718] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:00,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:00,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 01:50:00,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295897342] [2023-12-16 01:50:00,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:00,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:50:00,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:00,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:50:00,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:00,082 INFO L87 Difference]: Start difference. First operand 13866 states and 15499 transitions. Second operand has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 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) [2023-12-16 01:50:01,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:01,178 INFO L93 Difference]: Finished difference Result 30690 states and 34302 transitions. [2023-12-16 01:50:01,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:50:01,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 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 550 [2023-12-16 01:50:01,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:01,206 INFO L225 Difference]: With dead ends: 30690 [2023-12-16 01:50:01,207 INFO L226 Difference]: Without dead ends: 16825 [2023-12-16 01:50:01,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:01,220 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 221 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:01,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 139 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 01:50:01,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16825 states. [2023-12-16 01:50:01,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16825 to 13680. [2023-12-16 01:50:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13680 states, 13679 states have (on average 1.1176255574237883) internal successors, (15288), 13679 states have internal predecessors, (15288), 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) [2023-12-16 01:50:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13680 states to 13680 states and 15288 transitions. [2023-12-16 01:50:01,405 INFO L78 Accepts]: Start accepts. Automaton has 13680 states and 15288 transitions. Word has length 550 [2023-12-16 01:50:01,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:01,405 INFO L495 AbstractCegarLoop]: Abstraction has 13680 states and 15288 transitions. [2023-12-16 01:50:01,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 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) [2023-12-16 01:50:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 13680 states and 15288 transitions. [2023-12-16 01:50:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2023-12-16 01:50:01,419 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:01,420 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:01,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 01:50:01,420 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:01,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:01,421 INFO L85 PathProgramCache]: Analyzing trace with hash -531980514, now seen corresponding path program 1 times [2023-12-16 01:50:01,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:01,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889724488] [2023-12-16 01:50:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:01,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 834 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-16 01:50:01,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:01,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889724488] [2023-12-16 01:50:01,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889724488] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:01,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:01,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 01:50:01,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928906658] [2023-12-16 01:50:01,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:01,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:50:01,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:01,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:50:01,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:01,951 INFO L87 Difference]: Start difference. First operand 13680 states and 15288 transitions. Second operand has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 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) [2023-12-16 01:50:03,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:03,081 INFO L93 Difference]: Finished difference Result 32709 states and 36530 transitions. [2023-12-16 01:50:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:50:03,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 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 580 [2023-12-16 01:50:03,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:03,108 INFO L225 Difference]: With dead ends: 32709 [2023-12-16 01:50:03,109 INFO L226 Difference]: Without dead ends: 19030 [2023-12-16 01:50:03,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:03,121 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 171 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:03,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 56 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 01:50:03,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19030 states. [2023-12-16 01:50:03,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19030 to 15332. [2023-12-16 01:50:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15332 states, 15331 states have (on average 1.1081468919183355) internal successors, (16989), 15331 states have internal predecessors, (16989), 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) [2023-12-16 01:50:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15332 states to 15332 states and 16989 transitions. [2023-12-16 01:50:03,414 INFO L78 Accepts]: Start accepts. Automaton has 15332 states and 16989 transitions. Word has length 580 [2023-12-16 01:50:03,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:03,414 INFO L495 AbstractCegarLoop]: Abstraction has 15332 states and 16989 transitions. [2023-12-16 01:50:03,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 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) [2023-12-16 01:50:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 15332 states and 16989 transitions. [2023-12-16 01:50:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2023-12-16 01:50:03,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:03,434 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:03,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 01:50:03,434 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:03,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:03,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1992060511, now seen corresponding path program 1 times [2023-12-16 01:50:03,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:03,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319121588] [2023-12-16 01:50:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:03,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-12-16 01:50:03,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:03,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319121588] [2023-12-16 01:50:03,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319121588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:03,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:03,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:03,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071450535] [2023-12-16 01:50:03,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:03,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:50:03,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:03,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:50:03,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:03,865 INFO L87 Difference]: Start difference. First operand 15332 states and 16989 transitions. Second operand has 4 states, 4 states have (on average 97.25) internal successors, (389), 3 states have internal predecessors, (389), 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) [2023-12-16 01:50:05,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:05,067 INFO L93 Difference]: Finished difference Result 39328 states and 43396 transitions. [2023-12-16 01:50:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:50:05,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.25) internal successors, (389), 3 states have internal predecessors, (389), 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 598 [2023-12-16 01:50:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:05,094 INFO L225 Difference]: With dead ends: 39328 [2023-12-16 01:50:05,094 INFO L226 Difference]: Without dead ends: 23997 [2023-12-16 01:50:05,104 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 [2023-12-16 01:50:05,106 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 157 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:05,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 69 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 01:50:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23997 states. [2023-12-16 01:50:05,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23997 to 22518. [2023-12-16 01:50:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22518 states, 22517 states have (on average 1.1013456499533685) internal successors, (24799), 22517 states have internal predecessors, (24799), 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) [2023-12-16 01:50:05,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22518 states to 22518 states and 24799 transitions. [2023-12-16 01:50:05,462 INFO L78 Accepts]: Start accepts. Automaton has 22518 states and 24799 transitions. Word has length 598 [2023-12-16 01:50:05,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:05,463 INFO L495 AbstractCegarLoop]: Abstraction has 22518 states and 24799 transitions. [2023-12-16 01:50:05,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.25) internal successors, (389), 3 states have internal predecessors, (389), 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) [2023-12-16 01:50:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 22518 states and 24799 transitions. [2023-12-16 01:50:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2023-12-16 01:50:05,492 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:05,492 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:05,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 01:50:05,493 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:05,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:05,493 INFO L85 PathProgramCache]: Analyzing trace with hash -879276437, now seen corresponding path program 1 times [2023-12-16 01:50:05,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:05,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436573546] [2023-12-16 01:50:05,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:05,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2023-12-16 01:50:05,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:05,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436573546] [2023-12-16 01:50:05,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436573546] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:05,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:05,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:05,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613782325] [2023-12-16 01:50:05,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:05,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:50:05,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:05,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:50:05,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:50:05,837 INFO L87 Difference]: Start difference. First operand 22518 states and 24799 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2023-12-16 01:50:06,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:06,496 INFO L93 Difference]: Finished difference Result 45031 states and 49617 transitions. [2023-12-16 01:50:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:06,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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 649 [2023-12-16 01:50:06,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:06,524 INFO L225 Difference]: With dead ends: 45031 [2023-12-16 01:50:06,524 INFO L226 Difference]: Without dead ends: 25094 [2023-12-16 01:50:06,540 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 [2023-12-16 01:50:06,541 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:06,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 111 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:50:06,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25094 states. [2023-12-16 01:50:06,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25094 to 22886. [2023-12-16 01:50:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22886 states, 22885 states have (on average 1.0978807078872623) internal successors, (25125), 22885 states have internal predecessors, (25125), 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) [2023-12-16 01:50:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22886 states to 22886 states and 25125 transitions. [2023-12-16 01:50:06,894 INFO L78 Accepts]: Start accepts. Automaton has 22886 states and 25125 transitions. Word has length 649 [2023-12-16 01:50:06,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:06,895 INFO L495 AbstractCegarLoop]: Abstraction has 22886 states and 25125 transitions. [2023-12-16 01:50:06,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2023-12-16 01:50:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 22886 states and 25125 transitions. [2023-12-16 01:50:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2023-12-16 01:50:06,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:06,922 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:06,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 01:50:06,922 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:06,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash 921339385, now seen corresponding path program 1 times [2023-12-16 01:50:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:06,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789314435] [2023-12-16 01:50:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2023-12-16 01:50:07,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:07,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789314435] [2023-12-16 01:50:07,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789314435] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:07,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:07,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:07,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821580172] [2023-12-16 01:50:07,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:07,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:50:07,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:07,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:50:07,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:50:07,249 INFO L87 Difference]: Start difference. First operand 22886 states and 25125 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2023-12-16 01:50:07,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:07,900 INFO L93 Difference]: Finished difference Result 47242 states and 51838 transitions. [2023-12-16 01:50:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:07,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 682 [2023-12-16 01:50:07,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:07,929 INFO L225 Difference]: With dead ends: 47242 [2023-12-16 01:50:07,929 INFO L226 Difference]: Without dead ends: 24725 [2023-12-16 01:50:07,944 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 [2023-12-16 01:50:07,945 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 114 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:07,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 135 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:50:07,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24725 states. [2023-12-16 01:50:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24725 to 22326. [2023-12-16 01:50:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22326 states, 22325 states have (on average 1.0942889137737961) internal successors, (24430), 22325 states have internal predecessors, (24430), 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) [2023-12-16 01:50:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22326 states to 22326 states and 24430 transitions. [2023-12-16 01:50:08,249 INFO L78 Accepts]: Start accepts. Automaton has 22326 states and 24430 transitions. Word has length 682 [2023-12-16 01:50:08,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:08,250 INFO L495 AbstractCegarLoop]: Abstraction has 22326 states and 24430 transitions. [2023-12-16 01:50:08,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2023-12-16 01:50:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 22326 states and 24430 transitions. [2023-12-16 01:50:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2023-12-16 01:50:08,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:08,270 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 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] [2023-12-16 01:50:08,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 01:50:08,270 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:08,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1386658420, now seen corresponding path program 1 times [2023-12-16 01:50:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:08,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554591932] [2023-12-16 01:50:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:08,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1777 backedges. 1159 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-12-16 01:50:08,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:08,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554591932] [2023-12-16 01:50:08,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554591932] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:08,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:08,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:08,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032628957] [2023-12-16 01:50:08,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:08,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:50:08,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:08,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:50:08,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:50:08,674 INFO L87 Difference]: Start difference. First operand 22326 states and 24430 transitions. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2023-12-16 01:50:09,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:09,376 INFO L93 Difference]: Finished difference Result 43362 states and 47433 transitions. [2023-12-16 01:50:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:09,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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 731 [2023-12-16 01:50:09,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:09,378 INFO L225 Difference]: With dead ends: 43362 [2023-12-16 01:50:09,378 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 01:50:09,387 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 [2023-12-16 01:50:09,387 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 46 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:09,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 335 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:50:09,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 01:50:09,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 01:50:09,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-12-16 01:50:09,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 01:50:09,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 731 [2023-12-16 01:50:09,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:09,388 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 01:50:09,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2023-12-16 01:50:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 01:50:09,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 01:50:09,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 01:50:09,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 01:50:09,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,853 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,854 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,854 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,854 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,854 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,854 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,854 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,855 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,855 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,856 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,858 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,859 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,860 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (<= 0 (+ ~a23~0 42))) (.cse15 (<= (+ ~a29~0 22) 0)) (.cse9 (<= ~a29~0 140)) (.cse13 (<= 139 ~a23~0)) (.cse0 (= ~a25~0 11)) (.cse12 (<= ~a23~0 312)) (.cse6 (= ~a25~0 12)) (.cse11 (<= ~a25~0 10)) (.cse14 (<= ~a29~0 599998)) (.cse3 (<= 246 ~a29~0)) (.cse7 (<= ~a29~0 220)) (.cse18 (<= 312 ~a23~0)) (.cse5 (<= (+ ~a23~0 43) 0)) (.cse10 (= ~a4~0 0)) (.cse17 (<= (+ 28470 ~a29~0) 0)) (.cse8 (<= ~a29~0 274)) (.cse1 (<= ~a8~0 15)) (.cse2 (= ~a4~0 1)) (.cse16 (<= 13 ~a25~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse2) (and .cse0 .cse8 .cse1 .cse2 .cse3) (and .cse9 .cse10 .cse11 .cse1 .cse12 .cse4) (and .cse13 .cse1 .cse14 .cse2 .cse12) (and .cse10 .cse15 .cse1 (= ~a25~0 10)) (and .cse10 .cse15 .cse1 .cse12 .cse16) (and .cse6 .cse1 .cse17 .cse2) (and .cse6 .cse10 .cse1 .cse14) (and .cse9 .cse10 .cse0 .cse1 .cse12) (and .cse6 .cse13 .cse1 .cse2 .cse12) (and .cse10 .cse0 .cse1 .cse14 .cse12 .cse3) (and .cse11 .cse1 .cse2) (and .cse6 .cse1 .cse2 .cse18 (<= ~a29~0 231)) (and .cse1 .cse14 .cse2 .cse18 .cse3) (and .cse5 .cse10 .cse11 .cse1 .cse14 .cse3) (and .cse1 .cse7 .cse2 .cse18) (and .cse5 .cse10 .cse1 .cse17) (and .cse8 .cse1 .cse2 .cse16))) [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,861 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,862 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 01:50:14,863 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-12-16 01:50:14,863 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,863 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,863 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,863 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,863 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,864 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-12-16 01:50:14,865 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,866 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-12-16 01:50:14,867 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,868 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,869 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,869 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-12-16 01:50:14,869 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-12-16 01:50:14,869 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,869 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,870 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,871 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,872 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-12-16 01:50:14,876 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:14,878 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 01:50:14,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:50:14 BoogieIcfgContainer [2023-12-16 01:50:14,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 01:50:14,905 INFO L158 Benchmark]: Toolchain (without parser) took 38286.34ms. Allocated memory was 187.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 139.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 917.3MB. Max. memory is 8.0GB. [2023-12-16 01:50:14,905 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:50:14,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.65ms. Allocated memory is still 187.7MB. Free memory was 139.8MB in the beginning and 93.9MB in the end (delta: 45.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-12-16 01:50:14,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.13ms. Allocated memory is still 187.7MB. Free memory was 93.9MB in the beginning and 144.5MB in the end (delta: -50.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2023-12-16 01:50:14,909 INFO L158 Benchmark]: Boogie Preprocessor took 151.99ms. Allocated memory is still 187.7MB. Free memory was 144.5MB in the beginning and 119.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-16 01:50:14,910 INFO L158 Benchmark]: RCFGBuilder took 1482.86ms. Allocated memory was 187.7MB in the beginning and 235.9MB in the end (delta: 48.2MB). Free memory was 119.8MB in the beginning and 120.5MB in the end (delta: -711.2kB). Peak memory consumption was 63.9MB. Max. memory is 8.0GB. [2023-12-16 01:50:14,910 INFO L158 Benchmark]: TraceAbstraction took 35779.69ms. Allocated memory was 235.9MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 119.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 847.9MB. Max. memory is 8.0GB. [2023-12-16 01:50:14,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 738.65ms. Allocated memory is still 187.7MB. Free memory was 139.8MB in the beginning and 93.9MB in the end (delta: 45.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 127.13ms. Allocated memory is still 187.7MB. Free memory was 93.9MB in the beginning and 144.5MB in the end (delta: -50.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 151.99ms. Allocated memory is still 187.7MB. Free memory was 144.5MB in the beginning and 119.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1482.86ms. Allocated memory was 187.7MB in the beginning and 235.9MB in the end (delta: 48.2MB). Free memory was 119.8MB in the beginning and 120.5MB in the end (delta: -711.2kB). Peak memory consumption was 63.9MB. Max. memory is 8.0GB. * TraceAbstraction took 35779.69ms. Allocated memory was 235.9MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 119.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 847.9MB. 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 - PositiveResult [Line: 205]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.7s, OverallIterations: 21, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2861 SdHoareTripleChecker+Valid, 14.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2861 mSDsluCounter, 4138 SdHoareTripleChecker+Invalid, 11.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 459 mSDsCounter, 1965 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12669 IncrementalHoareTripleChecker+Invalid, 14634 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1965 mSolverCounterUnsat, 3679 mSDtfsCounter, 12669 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 844 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22886occurred in iteration=19, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 16859 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 121 NumberOfFragments, 308 HoareAnnotationTreeSize, 1 FormulaSimplifications, 4590 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 1 FormulaSimplificationsInter, 7366 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 9053 NumberOfCodeBlocks, 9053 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 9030 ConstructedInterpolants, 0 QuantifiedInterpolants, 19869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1057 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 23 InterpolantComputations, 21 PerfectInterpolantSequences, 13232/13734 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a25 == 11) && (a8 <= 15)) && (a4 == 1)) && (246 <= a29)) && (0 <= (a23 + 42))) || ((((((a23 + 43) <= 0) && (a25 == 12)) && (a8 <= 15)) && (a29 <= 220)) && (a4 == 1))) || (((((a25 == 11) && (a29 <= 274)) && (a8 <= 15)) && (a4 == 1)) && (246 <= a29))) || ((((((a29 <= 140) && (a4 == 0)) && (a25 <= 10)) && (a8 <= 15)) && (a23 <= 312)) && (0 <= (a23 + 42)))) || (((((139 <= a23) && (a8 <= 15)) && (a29 <= 599998)) && (a4 == 1)) && (a23 <= 312))) || ((((a4 == 0) && ((a29 + 22) <= 0)) && (a8 <= 15)) && (a25 == 10))) || (((((a4 == 0) && ((a29 + 22) <= 0)) && (a8 <= 15)) && (a23 <= 312)) && (13 <= a25))) || ((((a25 == 12) && (a8 <= 15)) && ((28470 + a29) <= 0)) && (a4 == 1))) || ((((a25 == 12) && (a4 == 0)) && (a8 <= 15)) && (a29 <= 599998))) || (((((a29 <= 140) && (a4 == 0)) && (a25 == 11)) && (a8 <= 15)) && (a23 <= 312))) || (((((a25 == 12) && (139 <= a23)) && (a8 <= 15)) && (a4 == 1)) && (a23 <= 312))) || ((((((a4 == 0) && (a25 == 11)) && (a8 <= 15)) && (a29 <= 599998)) && (a23 <= 312)) && (246 <= a29))) || (((a25 <= 10) && (a8 <= 15)) && (a4 == 1))) || (((((a25 == 12) && (a8 <= 15)) && (a4 == 1)) && (312 <= a23)) && (a29 <= 231))) || (((((a8 <= 15) && (a29 <= 599998)) && (a4 == 1)) && (312 <= a23)) && (246 <= a29))) || (((((((a23 + 43) <= 0) && (a4 == 0)) && (a25 <= 10)) && (a8 <= 15)) && (a29 <= 599998)) && (246 <= a29))) || ((((a8 <= 15) && (a29 <= 220)) && (a4 == 1)) && (312 <= a23))) || (((((a23 + 43) <= 0) && (a4 == 0)) && (a8 <= 15)) && ((28470 + a29) <= 0))) || ((((a29 <= 274) && (a8 <= 15)) && (a4 == 1)) && (13 <= a25))) RESULT: Ultimate proved your program to be correct! [2023-12-16 01:50:14,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...