/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-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:29:29,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:29:29,472 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 19:29:29,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:29:29,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:29:29,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:29:29,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:29:29,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:29:29,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:29:29,503 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:29:29,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:29:29,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:29:29,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:29:29,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:29:29,505 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:29:29,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:29:29,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:29:29,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:29:29,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:29:29,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:29:29,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:29:29,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:29:29,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:29:29,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:29:29,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:29:29,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:29:29,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:29:29,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:29:29,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:29:29,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:29:29,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:29:29,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:29:29,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:29:29,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:29:29,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:29:29,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:29:29,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:29:29,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:29:29,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:29:29,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:29:29,511 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:29:29,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:29:29,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:29:29,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:29:29,705 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:29:29,705 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:29:29,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-12-16 19:29:30,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:29:31,150 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:29:31,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-12-16 19:29:31,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e381f2bf4/d7928f6bf90a4ad28b840ad4b351bba6/FLAG26aa02250 [2023-12-16 19:29:31,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e381f2bf4/d7928f6bf90a4ad28b840ad4b351bba6 [2023-12-16 19:29:31,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:29:31,179 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:29:31,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:29:31,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:29:31,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:29:31,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa37a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31, skipping insertion in model container [2023-12-16 19:29:31,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,221 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:29:31,342 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-12-16 19:29:31,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:29:31,452 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:29:31,461 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-12-16 19:29:31,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:29:31,541 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:29:31,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31 WrapperNode [2023-12-16 19:29:31,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:29:31,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:29:31,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:29:31,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:29:31,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,666 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 639 [2023-12-16 19:29:31,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:29:31,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:29:31,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:29:31,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:29:31,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,746 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 19:29:31,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:29:31,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:29:31,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:29:31,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:29:31,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (1/1) ... [2023-12-16 19:29:31,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:29:31,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:29:31,875 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 19:29:31,905 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 19:29:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:29:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:29:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:29:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:29:32,045 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:29:32,047 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:29:32,546 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:29:32,564 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:29:32,564 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:29:32,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:29:32 BoogieIcfgContainer [2023-12-16 19:29:32,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:29:32,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:29:32,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:29:32,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:29:32,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:29:31" (1/3) ... [2023-12-16 19:29:32,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476f8b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:29:32, skipping insertion in model container [2023-12-16 19:29:32,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:29:31" (2/3) ... [2023-12-16 19:29:32,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476f8b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:29:32, skipping insertion in model container [2023-12-16 19:29:32,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:29:32" (3/3) ... [2023-12-16 19:29:32,570 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Spinner.c [2023-12-16 19:29:32,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:29:32,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:29:32,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:29:32,613 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;@12c5328c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:29:32,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:29:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 120 states have (on average 1.6666666666666667) internal successors, (200), 121 states have internal predecessors, (200), 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 19:29:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-16 19:29:32,621 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:32,621 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] [2023-12-16 19:29:32,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:32,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:32,625 INFO L85 PathProgramCache]: Analyzing trace with hash -994773413, now seen corresponding path program 1 times [2023-12-16 19:29:32,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:32,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899736946] [2023-12-16 19:29:32,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:32,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:33,034 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 19:29:33,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:33,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899736946] [2023-12-16 19:29:33,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899736946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:33,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:33,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:29:33,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909149304] [2023-12-16 19:29:33,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:33,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:29:33,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:33,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:29:33,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:29:33,057 INFO L87 Difference]: Start difference. First operand has 122 states, 120 states have (on average 1.6666666666666667) internal successors, (200), 121 states have internal predecessors, (200), 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 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 19:29:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:33,091 INFO L93 Difference]: Finished difference Result 234 states and 386 transitions. [2023-12-16 19:29:33,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:29:33,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2023-12-16 19:29:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:33,097 INFO L225 Difference]: With dead ends: 234 [2023-12-16 19:29:33,098 INFO L226 Difference]: Without dead ends: 122 [2023-12-16 19:29:33,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:29:33,101 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:33,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 574 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:29:33,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-12-16 19:29:33,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2023-12-16 19:29:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.6363636363636365) internal successors, (198), 121 states have internal predecessors, (198), 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 19:29:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 198 transitions. [2023-12-16 19:29:33,138 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 198 transitions. Word has length 34 [2023-12-16 19:29:33,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:33,138 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 198 transitions. [2023-12-16 19:29:33,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 19:29:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2023-12-16 19:29:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-16 19:29:33,139 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:33,140 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] [2023-12-16 19:29:33,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 19:29:33,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:33,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:33,140 INFO L85 PathProgramCache]: Analyzing trace with hash -771479603, now seen corresponding path program 1 times [2023-12-16 19:29:33,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:33,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044683371] [2023-12-16 19:29:33,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:33,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:33,351 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 19:29:33,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:33,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044683371] [2023-12-16 19:29:33,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044683371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:33,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:33,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:29:33,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594173305] [2023-12-16 19:29:33,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:33,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:29:33,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:33,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:29:33,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:29:33,358 INFO L87 Difference]: Start difference. First operand 122 states and 198 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 19:29:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:33,395 INFO L93 Difference]: Finished difference Result 237 states and 384 transitions. [2023-12-16 19:29:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:29:33,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2023-12-16 19:29:33,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:33,398 INFO L225 Difference]: With dead ends: 237 [2023-12-16 19:29:33,398 INFO L226 Difference]: Without dead ends: 125 [2023-12-16 19:29:33,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:29:33,399 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:33,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 572 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:29:33,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-12-16 19:29:33,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2023-12-16 19:29:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.6260162601626016) internal successors, (200), 123 states have internal predecessors, (200), 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 19:29:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 200 transitions. [2023-12-16 19:29:33,404 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 200 transitions. Word has length 35 [2023-12-16 19:29:33,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:33,405 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 200 transitions. [2023-12-16 19:29:33,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 19:29:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 200 transitions. [2023-12-16 19:29:33,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-16 19:29:33,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:33,406 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] [2023-12-16 19:29:33,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 19:29:33,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:33,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:33,406 INFO L85 PathProgramCache]: Analyzing trace with hash -876456137, now seen corresponding path program 1 times [2023-12-16 19:29:33,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:33,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784888650] [2023-12-16 19:29:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:33,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:34,040 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 19:29:34,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:34,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784888650] [2023-12-16 19:29:34,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784888650] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:34,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:34,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 19:29:34,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196323713] [2023-12-16 19:29:34,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:34,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 19:29:34,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:34,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 19:29:34,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-16 19:29:34,045 INFO L87 Difference]: Start difference. First operand 124 states and 200 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 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 19:29:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:34,838 INFO L93 Difference]: Finished difference Result 792 states and 1274 transitions. [2023-12-16 19:29:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-16 19:29:34,838 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 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 36 [2023-12-16 19:29:34,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:34,840 INFO L225 Difference]: With dead ends: 792 [2023-12-16 19:29:34,841 INFO L226 Difference]: Without dead ends: 678 [2023-12-16 19:29:34,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2023-12-16 19:29:34,842 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2579 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:34,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 2272 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 19:29:34,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-12-16 19:29:34,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 146. [2023-12-16 19:29:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.6206896551724137) internal successors, (235), 145 states have internal predecessors, (235), 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 19:29:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 235 transitions. [2023-12-16 19:29:34,853 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 235 transitions. Word has length 36 [2023-12-16 19:29:34,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:34,853 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 235 transitions. [2023-12-16 19:29:34,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 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 19:29:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 235 transitions. [2023-12-16 19:29:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-16 19:29:34,854 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:34,854 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] [2023-12-16 19:29:34,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 19:29:34,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:34,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:34,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1511042827, now seen corresponding path program 1 times [2023-12-16 19:29:34,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:34,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15830930] [2023-12-16 19:29:34,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:34,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:35,099 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 19:29:35,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:35,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15830930] [2023-12-16 19:29:35,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15830930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:35,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:35,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 19:29:35,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248344308] [2023-12-16 19:29:35,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:35,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 19:29:35,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:35,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 19:29:35,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:29:35,101 INFO L87 Difference]: Start difference. First operand 146 states and 235 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 19:29:35,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:35,236 INFO L93 Difference]: Finished difference Result 563 states and 903 transitions. [2023-12-16 19:29:35,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 19:29:35,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 37 [2023-12-16 19:29:35,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:35,238 INFO L225 Difference]: With dead ends: 563 [2023-12-16 19:29:35,239 INFO L226 Difference]: Without dead ends: 427 [2023-12-16 19:29:35,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-12-16 19:29:35,240 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 542 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:35,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1357 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:29:35,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2023-12-16 19:29:35,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 155. [2023-12-16 19:29:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.603896103896104) internal successors, (247), 154 states have internal predecessors, (247), 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 19:29:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 247 transitions. [2023-12-16 19:29:35,245 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 247 transitions. Word has length 37 [2023-12-16 19:29:35,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:35,246 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 247 transitions. [2023-12-16 19:29:35,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 19:29:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 247 transitions. [2023-12-16 19:29:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-16 19:29:35,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:35,247 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] [2023-12-16 19:29:35,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 19:29:35,247 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:35,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:35,247 INFO L85 PathProgramCache]: Analyzing trace with hash -978624551, now seen corresponding path program 1 times [2023-12-16 19:29:35,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:35,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304881594] [2023-12-16 19:29:35,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:35,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:35,469 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 19:29:35,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:35,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304881594] [2023-12-16 19:29:35,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304881594] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:35,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:35,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 19:29:35,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680516875] [2023-12-16 19:29:35,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:35,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 19:29:35,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:35,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 19:29:35,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 19:29:35,471 INFO L87 Difference]: Start difference. First operand 155 states and 247 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 19:29:35,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:35,480 INFO L93 Difference]: Finished difference Result 280 states and 447 transitions. [2023-12-16 19:29:35,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 19:29:35,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2023-12-16 19:29:35,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:35,481 INFO L225 Difference]: With dead ends: 280 [2023-12-16 19:29:35,481 INFO L226 Difference]: Without dead ends: 135 [2023-12-16 19:29:35,481 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 19:29:35,482 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 178 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:35,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 217 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:29:35,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-12-16 19:29:35,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2023-12-16 19:29:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.6076923076923078) internal successors, (209), 130 states have internal predecessors, (209), 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 19:29:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 209 transitions. [2023-12-16 19:29:35,485 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 209 transitions. Word has length 37 [2023-12-16 19:29:35,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:35,485 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 209 transitions. [2023-12-16 19:29:35,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 19:29:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 209 transitions. [2023-12-16 19:29:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 19:29:35,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:35,486 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] [2023-12-16 19:29:35,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 19:29:35,486 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:35,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:35,487 INFO L85 PathProgramCache]: Analyzing trace with hash -469597715, now seen corresponding path program 1 times [2023-12-16 19:29:35,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:35,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832590314] [2023-12-16 19:29:35,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:35,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:36,032 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 19:29:36,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:36,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832590314] [2023-12-16 19:29:36,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832590314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:36,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:36,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-16 19:29:36,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579593256] [2023-12-16 19:29:36,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:36,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 19:29:36,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:36,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 19:29:36,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-12-16 19:29:36,034 INFO L87 Difference]: Start difference. First operand 131 states and 209 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 19:29:37,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:37,523 INFO L93 Difference]: Finished difference Result 799 states and 1266 transitions. [2023-12-16 19:29:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-16 19:29:37,523 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 38 [2023-12-16 19:29:37,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:37,525 INFO L225 Difference]: With dead ends: 799 [2023-12-16 19:29:37,525 INFO L226 Difference]: Without dead ends: 678 [2023-12-16 19:29:37,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=512, Invalid=1558, Unknown=0, NotChecked=0, Total=2070 [2023-12-16 19:29:37,527 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 3217 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3217 SdHoareTripleChecker+Valid, 2612 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:37,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3217 Valid, 2612 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 19:29:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-12-16 19:29:37,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 154. [2023-12-16 19:29:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.5947712418300655) internal successors, (244), 153 states have internal predecessors, (244), 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 19:29:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 244 transitions. [2023-12-16 19:29:37,532 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 244 transitions. Word has length 38 [2023-12-16 19:29:37,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:37,532 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 244 transitions. [2023-12-16 19:29:37,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 19:29:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 244 transitions. [2023-12-16 19:29:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 19:29:37,533 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:37,533 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] [2023-12-16 19:29:37,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 19:29:37,534 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:37,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:37,534 INFO L85 PathProgramCache]: Analyzing trace with hash -211432277, now seen corresponding path program 1 times [2023-12-16 19:29:37,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:37,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138280023] [2023-12-16 19:29:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:37,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:38,165 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 19:29:38,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:38,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138280023] [2023-12-16 19:29:38,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138280023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:38,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:38,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 19:29:38,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908315954] [2023-12-16 19:29:38,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:38,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 19:29:38,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:38,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 19:29:38,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 19:29:38,168 INFO L87 Difference]: Start difference. First operand 154 states and 244 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 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 19:29:38,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:38,643 INFO L93 Difference]: Finished difference Result 691 states and 1095 transitions. [2023-12-16 19:29:38,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 19:29:38,644 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 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 38 [2023-12-16 19:29:38,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:38,645 INFO L225 Difference]: With dead ends: 691 [2023-12-16 19:29:38,645 INFO L226 Difference]: Without dead ends: 547 [2023-12-16 19:29:38,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2023-12-16 19:29:38,646 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1821 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:38,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 2173 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:29:38,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-12-16 19:29:38,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 167. [2023-12-16 19:29:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 1.5843373493975903) internal successors, (263), 166 states have internal predecessors, (263), 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 19:29:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 263 transitions. [2023-12-16 19:29:38,651 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 263 transitions. Word has length 38 [2023-12-16 19:29:38,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:38,651 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 263 transitions. [2023-12-16 19:29:38,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 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 19:29:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 263 transitions. [2023-12-16 19:29:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 19:29:38,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:38,652 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] [2023-12-16 19:29:38,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 19:29:38,652 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:38,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:38,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1711795757, now seen corresponding path program 1 times [2023-12-16 19:29:38,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:38,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693309393] [2023-12-16 19:29:38,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:38,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:38,927 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 19:29:38,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:38,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693309393] [2023-12-16 19:29:38,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693309393] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:38,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:38,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:29:38,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79981548] [2023-12-16 19:29:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:38,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:29:38,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:38,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:29:38,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:29:38,929 INFO L87 Difference]: Start difference. First operand 167 states and 263 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 19:29:38,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:38,977 INFO L93 Difference]: Finished difference Result 438 states and 691 transitions. [2023-12-16 19:29:38,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:29:38,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2023-12-16 19:29:38,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:38,978 INFO L225 Difference]: With dead ends: 438 [2023-12-16 19:29:38,978 INFO L226 Difference]: Without dead ends: 292 [2023-12-16 19:29:38,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:29:38,979 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 520 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:38,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 579 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:29:38,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-12-16 19:29:38,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 170. [2023-12-16 19:29:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.5739644970414202) internal successors, (266), 169 states have internal predecessors, (266), 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 19:29:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 266 transitions. [2023-12-16 19:29:38,983 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 266 transitions. Word has length 38 [2023-12-16 19:29:38,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:38,983 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 266 transitions. [2023-12-16 19:29:38,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 19:29:38,983 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 266 transitions. [2023-12-16 19:29:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-16 19:29:38,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:38,984 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] [2023-12-16 19:29:38,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 19:29:38,984 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:38,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:38,985 INFO L85 PathProgramCache]: Analyzing trace with hash 265915689, now seen corresponding path program 1 times [2023-12-16 19:29:38,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:38,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177517167] [2023-12-16 19:29:38,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:38,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:39,366 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 19:29:39,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:39,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177517167] [2023-12-16 19:29:39,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177517167] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:39,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:39,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 19:29:39,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627196723] [2023-12-16 19:29:39,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:39,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 19:29:39,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:39,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 19:29:39,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-12-16 19:29:39,368 INFO L87 Difference]: Start difference. First operand 170 states and 266 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 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 19:29:39,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:39,993 INFO L93 Difference]: Finished difference Result 976 states and 1531 transitions. [2023-12-16 19:29:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-16 19:29:39,994 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 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 39 [2023-12-16 19:29:39,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:39,997 INFO L225 Difference]: With dead ends: 976 [2023-12-16 19:29:39,997 INFO L226 Difference]: Without dead ends: 829 [2023-12-16 19:29:39,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=357, Invalid=1125, Unknown=0, NotChecked=0, Total=1482 [2023-12-16 19:29:39,999 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 2897 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:39,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2897 Valid, 3013 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:29:40,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2023-12-16 19:29:40,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 177. [2023-12-16 19:29:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 176 states have (on average 1.5681818181818181) internal successors, (276), 176 states have internal predecessors, (276), 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 19:29:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 276 transitions. [2023-12-16 19:29:40,011 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 276 transitions. Word has length 39 [2023-12-16 19:29:40,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:40,011 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 276 transitions. [2023-12-16 19:29:40,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 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 19:29:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-12-16 19:29:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-16 19:29:40,012 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:40,012 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] [2023-12-16 19:29:40,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 19:29:40,012 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:40,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:40,012 INFO L85 PathProgramCache]: Analyzing trace with hash 524081127, now seen corresponding path program 1 times [2023-12-16 19:29:40,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:40,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281359868] [2023-12-16 19:29:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:40,604 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 19:29:40,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:40,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281359868] [2023-12-16 19:29:40,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281359868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:40,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:40,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 19:29:40,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836100171] [2023-12-16 19:29:40,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:40,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 19:29:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:40,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 19:29:40,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 19:29:40,605 INFO L87 Difference]: Start difference. First operand 177 states and 276 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 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 19:29:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:40,974 INFO L93 Difference]: Finished difference Result 613 states and 960 transitions. [2023-12-16 19:29:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 19:29:40,976 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 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 39 [2023-12-16 19:29:40,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:40,978 INFO L225 Difference]: With dead ends: 613 [2023-12-16 19:29:40,978 INFO L226 Difference]: Without dead ends: 466 [2023-12-16 19:29:40,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2023-12-16 19:29:40,979 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 1291 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 2205 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:40,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 2205 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:29:40,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2023-12-16 19:29:40,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 175. [2023-12-16 19:29:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.5689655172413792) internal successors, (273), 174 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:29:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 273 transitions. [2023-12-16 19:29:40,986 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 273 transitions. Word has length 39 [2023-12-16 19:29:40,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:40,986 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 273 transitions. [2023-12-16 19:29:40,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 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 19:29:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 273 transitions. [2023-12-16 19:29:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-16 19:29:40,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:40,987 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] [2023-12-16 19:29:40,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 19:29:40,987 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:40,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:40,988 INFO L85 PathProgramCache]: Analyzing trace with hash -243557401, now seen corresponding path program 1 times [2023-12-16 19:29:40,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:40,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119538065] [2023-12-16 19:29:40,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:40,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:41,423 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 19:29:41,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:41,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119538065] [2023-12-16 19:29:41,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119538065] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:41,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:41,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:29:41,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383287592] [2023-12-16 19:29:41,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:41,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:29:41,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:41,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:29:41,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:29:41,425 INFO L87 Difference]: Start difference. First operand 175 states and 273 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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 19:29:41,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:41,470 INFO L93 Difference]: Finished difference Result 594 states and 933 transitions. [2023-12-16 19:29:41,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:29:41,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2023-12-16 19:29:41,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:41,473 INFO L225 Difference]: With dead ends: 594 [2023-12-16 19:29:41,473 INFO L226 Difference]: Without dead ends: 447 [2023-12-16 19:29:41,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:29:41,474 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 884 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:41,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 560 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:29:41,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-12-16 19:29:41,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 175. [2023-12-16 19:29:41,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.5632183908045978) internal successors, (272), 174 states have internal predecessors, (272), 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 19:29:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 272 transitions. [2023-12-16 19:29:41,478 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 272 transitions. Word has length 39 [2023-12-16 19:29:41,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:41,478 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 272 transitions. [2023-12-16 19:29:41,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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 19:29:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 272 transitions. [2023-12-16 19:29:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 19:29:41,479 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:41,479 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] [2023-12-16 19:29:41,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 19:29:41,479 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:41,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:41,480 INFO L85 PathProgramCache]: Analyzing trace with hash -364856945, now seen corresponding path program 1 times [2023-12-16 19:29:41,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:41,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40084156] [2023-12-16 19:29:41,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:41,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:41,802 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 19:29:41,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:41,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40084156] [2023-12-16 19:29:41,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40084156] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:41,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:41,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 19:29:41,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562490678] [2023-12-16 19:29:41,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:41,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 19:29:41,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:41,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 19:29:41,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:29:41,803 INFO L87 Difference]: Start difference. First operand 175 states and 272 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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 19:29:41,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:41,922 INFO L93 Difference]: Finished difference Result 448 states and 700 transitions. [2023-12-16 19:29:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 19:29:41,922 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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 40 [2023-12-16 19:29:41,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:41,923 INFO L225 Difference]: With dead ends: 448 [2023-12-16 19:29:41,925 INFO L226 Difference]: Without dead ends: 298 [2023-12-16 19:29:41,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-12-16 19:29:41,926 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 892 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:41,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 944 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:29:41,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-12-16 19:29:41,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 174. [2023-12-16 19:29:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.5549132947976878) internal successors, (269), 173 states have internal predecessors, (269), 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 19:29:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 269 transitions. [2023-12-16 19:29:41,932 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 269 transitions. Word has length 40 [2023-12-16 19:29:41,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:41,933 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 269 transitions. [2023-12-16 19:29:41,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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 19:29:41,933 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 269 transitions. [2023-12-16 19:29:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 19:29:41,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:41,933 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] [2023-12-16 19:29:41,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 19:29:41,933 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:41,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:41,934 INFO L85 PathProgramCache]: Analyzing trace with hash -200320557, now seen corresponding path program 1 times [2023-12-16 19:29:41,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:41,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577852215] [2023-12-16 19:29:41,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:41,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:42,246 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 19:29:42,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:42,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577852215] [2023-12-16 19:29:42,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577852215] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:42,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:42,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:29:42,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887892767] [2023-12-16 19:29:42,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:42,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:29:42,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:42,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:29:42,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:29:42,248 INFO L87 Difference]: Start difference. First operand 174 states and 269 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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 19:29:42,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:42,303 INFO L93 Difference]: Finished difference Result 442 states and 691 transitions. [2023-12-16 19:29:42,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:29:42,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2023-12-16 19:29:42,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:42,304 INFO L225 Difference]: With dead ends: 442 [2023-12-16 19:29:42,304 INFO L226 Difference]: Without dead ends: 295 [2023-12-16 19:29:42,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:29:42,305 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 711 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:42,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 571 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:29:42,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-12-16 19:29:42,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 176. [2023-12-16 19:29:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.5485714285714285) internal successors, (271), 175 states have internal predecessors, (271), 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 19:29:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 271 transitions. [2023-12-16 19:29:42,309 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 271 transitions. Word has length 40 [2023-12-16 19:29:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:42,309 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 271 transitions. [2023-12-16 19:29:42,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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 19:29:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 271 transitions. [2023-12-16 19:29:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 19:29:42,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:42,310 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] [2023-12-16 19:29:42,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 19:29:42,310 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:42,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:42,310 INFO L85 PathProgramCache]: Analyzing trace with hash -812090043, now seen corresponding path program 1 times [2023-12-16 19:29:42,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:42,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208502685] [2023-12-16 19:29:42,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:42,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:42,615 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 19:29:42,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:42,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208502685] [2023-12-16 19:29:42,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208502685] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:42,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:42,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 19:29:42,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835787797] [2023-12-16 19:29:42,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:42,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 19:29:42,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:42,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 19:29:42,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 19:29:42,617 INFO L87 Difference]: Start difference. First operand 176 states and 271 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 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 19:29:42,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:42,856 INFO L93 Difference]: Finished difference Result 474 states and 738 transitions. [2023-12-16 19:29:42,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 19:29:42,856 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 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 40 [2023-12-16 19:29:42,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:42,857 INFO L225 Difference]: With dead ends: 474 [2023-12-16 19:29:42,857 INFO L226 Difference]: Without dead ends: 327 [2023-12-16 19:29:42,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-12-16 19:29:42,858 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1202 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:42,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 865 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:29:42,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-12-16 19:29:42,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 166. [2023-12-16 19:29:42,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.5454545454545454) internal successors, (255), 165 states have internal predecessors, (255), 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 19:29:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 255 transitions. [2023-12-16 19:29:42,863 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 255 transitions. Word has length 40 [2023-12-16 19:29:42,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:42,863 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 255 transitions. [2023-12-16 19:29:42,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 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 19:29:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 255 transitions. [2023-12-16 19:29:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-16 19:29:42,863 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:42,864 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] [2023-12-16 19:29:42,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 19:29:42,864 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:42,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:42,864 INFO L85 PathProgramCache]: Analyzing trace with hash 758558925, now seen corresponding path program 1 times [2023-12-16 19:29:42,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:42,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580269277] [2023-12-16 19:29:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:42,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:29:43,056 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 19:29:43,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:29:43,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580269277] [2023-12-16 19:29:43,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580269277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:29:43,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:29:43,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 19:29:43,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560471012] [2023-12-16 19:29:43,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:29:43,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 19:29:43,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:29:43,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 19:29:43,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:29:43,058 INFO L87 Difference]: Start difference. First operand 166 states and 255 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 19:29:43,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:29:43,171 INFO L93 Difference]: Finished difference Result 687 states and 1076 transitions. [2023-12-16 19:29:43,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 19:29:43,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 41 [2023-12-16 19:29:43,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:29:43,173 INFO L225 Difference]: With dead ends: 687 [2023-12-16 19:29:43,173 INFO L226 Difference]: Without dead ends: 550 [2023-12-16 19:29:43,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-12-16 19:29:43,175 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1250 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:29:43,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 1296 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:29:43,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-12-16 19:29:43,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 176. [2023-12-16 19:29:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.5371428571428571) internal successors, (269), 175 states have internal predecessors, (269), 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 19:29:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 269 transitions. [2023-12-16 19:29:43,180 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 269 transitions. Word has length 41 [2023-12-16 19:29:43,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:29:43,180 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 269 transitions. [2023-12-16 19:29:43,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 19:29:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 269 transitions. [2023-12-16 19:29:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-16 19:29:43,180 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:29:43,180 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] [2023-12-16 19:29:43,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 19:29:43,180 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:29:43,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:29:43,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1016724363, now seen corresponding path program 1 times [2023-12-16 19:29:43,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:29:43,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933744621] [2023-12-16 19:29:43,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:29:43,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:29:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 19:29:43,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 19:29:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 19:29:43,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 19:29:43,305 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 19:29:43,306 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:29:43,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 19:29:43,309 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:29:43,311 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:29:43,355 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 19:29:43,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:29:43 BoogieIcfgContainer [2023-12-16 19:29:43,368 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:29:43,368 INFO L158 Benchmark]: Toolchain (without parser) took 12188.80ms. Allocated memory was 231.7MB in the beginning and 584.1MB in the end (delta: 352.3MB). Free memory was 176.2MB in the beginning and 500.2MB in the end (delta: -324.0MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. [2023-12-16 19:29:43,368 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 160.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:29:43,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.76ms. Allocated memory is still 231.7MB. Free memory was 175.8MB in the beginning and 156.3MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 19:29:43,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.71ms. Allocated memory is still 231.7MB. Free memory was 156.3MB in the beginning and 145.1MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 19:29:43,369 INFO L158 Benchmark]: Boogie Preprocessor took 184.78ms. Allocated memory is still 231.7MB. Free memory was 144.7MB in the beginning and 193.1MB in the end (delta: -48.4MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. [2023-12-16 19:29:43,369 INFO L158 Benchmark]: RCFGBuilder took 711.79ms. Allocated memory is still 231.7MB. Free memory was 193.1MB in the beginning and 129.7MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-12-16 19:29:43,369 INFO L158 Benchmark]: TraceAbstraction took 10801.41ms. Allocated memory was 231.7MB in the beginning and 584.1MB in the end (delta: 352.3MB). Free memory was 129.1MB in the beginning and 500.2MB in the end (delta: -371.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:29:43,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 160.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 360.76ms. Allocated memory is still 231.7MB. Free memory was 175.8MB in the beginning and 156.3MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 124.71ms. Allocated memory is still 231.7MB. Free memory was 156.3MB in the beginning and 145.1MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 184.78ms. Allocated memory is still 231.7MB. Free memory was 144.7MB in the beginning and 193.1MB in the end (delta: -48.4MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. * RCFGBuilder took 711.79ms. Allocated memory is still 231.7MB. Free memory was 193.1MB in the beginning and 129.7MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * TraceAbstraction took 10801.41ms. Allocated memory was 231.7MB in the beginning and 584.1MB in the end (delta: 352.3MB). Free memory was 129.1MB in the beginning and 500.2MB in the end (delta: -371.1MB). There was no memory consumed. 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 153, overapproximation of bitwiseAnd at line 161. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L35] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 31); [L36] const SORT_47 msb_SORT_47 = (SORT_47)1 << (31 - 1); [L38] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 30); [L39] const SORT_57 msb_SORT_57 = (SORT_57)1 << (30 - 1); [L41] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 29); [L42] const SORT_59 msb_SORT_59 = (SORT_59)1 << (29 - 1); [L44] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 2); [L45] const SORT_65 msb_SORT_65 = (SORT_65)1 << (2 - 1); [L47] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 28); [L48] const SORT_71 msb_SORT_71 = (SORT_71)1 << (28 - 1); [L50] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 26); [L51] const SORT_73 msb_SORT_73 = (SORT_73)1 << (26 - 1); [L53] const SORT_79 mask_SORT_79 = (SORT_79)-1 >> (sizeof(SORT_79) * 8 - 4); [L54] const SORT_79 msb_SORT_79 = (SORT_79)1 << (4 - 1); [L56] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 24); [L57] const SORT_85 msb_SORT_85 = (SORT_85)1 << (24 - 1); [L59] const SORT_87 mask_SORT_87 = (SORT_87)-1 >> (sizeof(SORT_87) * 8 - 20); [L60] const SORT_87 msb_SORT_87 = (SORT_87)1 << (20 - 1); [L62] const SORT_93 mask_SORT_93 = (SORT_93)-1 >> (sizeof(SORT_93) * 8 - 8); [L63] const SORT_93 msb_SORT_93 = (SORT_93)1 << (8 - 1); [L65] const SORT_99 mask_SORT_99 = (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 16); [L66] const SORT_99 msb_SORT_99 = (SORT_99)1 << (16 - 1); [L68] const SORT_5 var_8 = 0; [L69] const SORT_3 var_19 = 0; [L70] const SORT_3 var_40 = 1; [L72] SORT_1 input_2; [L73] SORT_3 input_4; [L74] SORT_5 input_6; [L75] SORT_3 input_7; [L77] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, var_19=0, var_40=1, var_8=0] [L77] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L78] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_9=0, var_19=0, var_40=1, var_8=0] [L78] SORT_5 state_13 = __VERIFIER_nondet_uint() & mask_SORT_5; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_9=0, var_19=0, var_40=1, var_8=0] [L79] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] SORT_5 init_10_arg_1 = var_8; [L82] state_9 = init_10_arg_1 [L83] SORT_5 init_14_arg_1 = var_8; [L84] state_13 = init_14_arg_1 [L85] SORT_3 init_21_arg_1 = var_19; [L86] state_20 = init_21_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L89] input_2 = __VERIFIER_nondet_uchar() [L90] input_4 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uint() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L93] input_7 = input_7 & mask_SORT_3 [L96] SORT_5 var_11_arg_0 = state_9; [L97] SORT_5 var_11_arg_1 = var_8; [L98] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L99] SORT_3 var_12_arg_0 = var_11; [L100] SORT_3 var_12 = ~var_12_arg_0; [L101] SORT_5 var_15_arg_0 = state_13; [L102] SORT_5 var_15_arg_1 = var_8; [L103] SORT_3 var_15 = var_15_arg_0 == var_15_arg_1; [L104] SORT_3 var_16_arg_0 = var_15; [L105] SORT_3 var_16 = ~var_16_arg_0; [L106] SORT_3 var_17_arg_0 = var_12; [L107] SORT_3 var_17_arg_1 = var_16; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17_arg_0=254, var_17_arg_1=254, var_19=0, var_40=1, var_8=0] [L108] EXPR var_17_arg_0 & var_17_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17_arg_0=254, var_17_arg_1=254, var_19=0, var_40=1, var_8=0] [L108] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L109] SORT_3 var_18_arg_0 = var_17; [L110] SORT_3 var_18 = ~var_18_arg_0; [L111] SORT_3 var_22_arg_0 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22_arg_0=0, var_40=1, var_8=0] [L112] EXPR var_22_arg_0 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22_arg_0=0, var_40=1, var_8=0] [L112] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L113] SORT_5 var_22 = var_22_arg_0; [L114] SORT_5 var_23_arg_0 = var_22; [L115] SORT_5 var_23_arg_1 = var_8; [L116] SORT_3 var_23 = var_23_arg_0 == var_23_arg_1; [L117] SORT_5 var_24_arg_0 = state_9; [L118] SORT_5 var_24_arg_1 = var_8; [L119] SORT_3 var_24 = var_24_arg_0 == var_24_arg_1; [L120] SORT_3 var_25_arg_0 = var_24; [L121] SORT_3 var_25 = ~var_25_arg_0; [L122] SORT_3 var_26_arg_0 = var_23; [L123] SORT_3 var_26_arg_1 = var_25; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26_arg_0=1, var_26_arg_1=254, var_40=1, var_8=0] [L124] EXPR var_26_arg_0 | var_26_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26_arg_0=1, var_26_arg_1=254, var_40=1, var_8=0] [L124] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L125] SORT_3 var_27_arg_0 = var_18; [L126] SORT_3 var_27_arg_1 = var_26; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27_arg_0=1, var_27_arg_1=255, var_40=1, var_8=0] [L127] EXPR var_27_arg_0 | var_27_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27_arg_0=1, var_27_arg_1=255, var_40=1, var_8=0] [L127] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L128] SORT_5 var_28_arg_0 = state_9; [L129] SORT_5 var_28_arg_1 = var_8; [L130] SORT_3 var_28 = var_28_arg_0 == var_28_arg_1; [L131] SORT_5 var_29_arg_0 = state_13; [L132] SORT_5 var_29_arg_1 = var_8; [L133] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L134] SORT_3 var_30_arg_0 = var_28; [L135] SORT_3 var_30_arg_1 = var_29; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_40=1, var_8=0] [L136] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_40=1, var_8=0] [L136] SORT_3 var_30 = var_30_arg_0 & var_30_arg_1; [L137] SORT_3 var_31_arg_0 = var_30; [L138] SORT_3 var_31 = ~var_31_arg_0; [L139] SORT_3 var_32_arg_0 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32_arg_0=0, var_40=1, var_8=0] [L140] EXPR var_32_arg_0 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32_arg_0=0, var_40=1, var_8=0] [L140] var_32_arg_0 = var_32_arg_0 & mask_SORT_3 [L141] SORT_5 var_32 = var_32_arg_0; [L142] SORT_5 var_33_arg_0 = var_32; [L143] SORT_5 var_33_arg_1 = var_8; [L144] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L145] SORT_5 var_34_arg_0 = state_9; [L146] SORT_5 var_34_arg_1 = var_8; [L147] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L148] SORT_3 var_35_arg_0 = var_33; [L149] SORT_3 var_35_arg_1 = var_34; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=1, var_35_arg_1=1, var_40=1, var_8=0] [L150] EXPR var_35_arg_0 | var_35_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=1, var_35_arg_1=1, var_40=1, var_8=0] [L150] SORT_3 var_35 = var_35_arg_0 | var_35_arg_1; [L151] SORT_3 var_36_arg_0 = var_31; [L152] SORT_3 var_36_arg_1 = var_35; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36_arg_0=254, var_36_arg_1=1, var_40=1, var_8=0] [L153] EXPR var_36_arg_0 | var_36_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36_arg_0=254, var_36_arg_1=1, var_40=1, var_8=0] [L153] SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; [L154] SORT_3 var_37_arg_0 = var_27; [L155] SORT_3 var_37_arg_1 = var_36; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_8=0] [L156] EXPR var_37_arg_0 & var_37_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_8=0] [L156] SORT_3 var_37 = var_37_arg_0 & var_37_arg_1; [L157] SORT_3 var_41_arg_0 = var_37; [L158] SORT_3 var_41 = ~var_41_arg_0; [L159] SORT_3 var_42_arg_0 = var_40; [L160] SORT_3 var_42_arg_1 = var_41; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L161] EXPR var_42_arg_0 & var_42_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L161] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L162] EXPR var_42 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42=1, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L162] var_42 = var_42 & mask_SORT_3 [L163] SORT_3 bad_43_arg_0 = var_42; [L164] CALL __VERIFIER_assert(!(bad_43_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17986 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17986 mSDsluCounter, 19810 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16161 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1690 IncrementalHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 3649 mSDtfsCounter, 1690 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1412 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=9, InterpolantAutomatonStates: 201, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 3828 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 2515 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-16 19:29:43,382 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...