/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.toy_lock_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 22:46:52,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 22:46:52,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-25 22:46:52,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 22:46:52,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 22:46:52,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 22:46:52,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 22:46:52,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 22:46:52,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 22:46:52,762 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 22:46:52,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 22:46:52,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 22:46:52,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 22:46:52,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 22:46:52,764 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 22:46:52,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 22:46:52,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 22:46:52,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-25 22:46:52,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 22:46:52,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 22:46:52,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 22:46:52,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 22:46:52,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 22:46:52,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 22:46:52,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 22:46:52,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 22:46:52,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 22:46:52,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 22:46:52,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 22:46:52,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 22:46:52,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 22:46:52,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 22:46:52,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 22:46:52,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-25 22:46:52,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-25 22:46:52,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 22:46:52,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 22:46:52,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 22:46:52,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 22:46:52,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 22:46:52,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-25 22:46:52,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 22:46:52,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 22:46:52,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 22:46:52,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 22:46:52,983 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 22:46:52,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c [2023-12-25 22:46:54,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 22:46:54,323 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 22:46:54,324 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c [2023-12-25 22:46:54,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040c654ac/18a577c9950a40b7aec9f770a08fdce0/FLAG99db99987 [2023-12-25 22:46:54,347 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040c654ac/18a577c9950a40b7aec9f770a08fdce0 [2023-12-25 22:46:54,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 22:46:54,351 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 22:46:54,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 22:46:54,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 22:46:54,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 22:46:54,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:54,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7208141f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54, skipping insertion in model container [2023-12-25 22:46:54,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:54,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 22:46:54,545 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.toy_lock_4.c[1250,1263] [2023-12-25 22:46:54,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 22:46:54,796 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 22:46:54,803 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.toy_lock_4.c[1250,1263] [2023-12-25 22:46:54,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 22:46:54,947 INFO L206 MainTranslator]: Completed translation [2023-12-25 22:46:54,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54 WrapperNode [2023-12-25 22:46:54,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 22:46:54,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 22:46:54,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 22:46:54,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 22:46:54,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:54,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,094 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1492 [2023-12-25 22:46:55,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 22:46:55,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 22:46:55,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 22:46:55,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 22:46:55,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,127 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,191 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]. [2023-12-25 22:46:55,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 22:46:55,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 22:46:55,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 22:46:55,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 22:46:55,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (1/1) ... [2023-12-25 22:46:55,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 22:46:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 22:46:55,334 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) [2023-12-25 22:46:55,358 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 [2023-12-25 22:46:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 22:46:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-25 22:46:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 22:46:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 22:46:55,605 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 22:46:55,606 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 22:46:56,841 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 22:46:56,894 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 22:46:56,894 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 22:46:56,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 10:46:56 BoogieIcfgContainer [2023-12-25 22:46:56,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 22:46:56,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 22:46:56,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 22:46:56,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 22:46:56,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 10:46:54" (1/3) ... [2023-12-25 22:46:56,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622aa3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 10:46:56, skipping insertion in model container [2023-12-25 22:46:56,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:46:54" (2/3) ... [2023-12-25 22:46:56,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622aa3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 10:46:56, skipping insertion in model container [2023-12-25 22:46:56,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 10:46:56" (3/3) ... [2023-12-25 22:46:56,904 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.toy_lock_4.c [2023-12-25 22:46:56,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 22:46:56,919 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 22:46:56,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 22:46:56,978 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;@65294b87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 22:46:56,978 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 22:46:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 183 states have (on average 1.6666666666666667) internal successors, (305), 184 states have internal predecessors, (305), 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) [2023-12-25 22:46:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-25 22:46:56,993 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:46:56,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:46:56,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:46:57,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:46:57,002 INFO L85 PathProgramCache]: Analyzing trace with hash -660338139, now seen corresponding path program 1 times [2023-12-25 22:46:57,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:46:57,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354112967] [2023-12-25 22:46:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:46:57,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:46:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:46:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:46:57,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:46:57,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354112967] [2023-12-25 22:46:57,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354112967] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:46:57,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:46:57,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 22:46:57,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966949716] [2023-12-25 22:46:57,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:46:57,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 22:46:57,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:46:57,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 22:46:57,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 22:46:57,757 INFO L87 Difference]: Start difference. First operand has 185 states, 183 states have (on average 1.6666666666666667) internal successors, (305), 184 states have internal predecessors, (305), 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 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2023-12-25 22:46:57,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:46:57,836 INFO L93 Difference]: Finished difference Result 321 states and 531 transitions. [2023-12-25 22:46:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 22:46:57,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 74 [2023-12-25 22:46:57,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:46:57,849 INFO L225 Difference]: With dead ends: 321 [2023-12-25 22:46:57,849 INFO L226 Difference]: Without dead ends: 185 [2023-12-25 22:46:57,851 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 [2023-12-25 22:46:57,854 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 1 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 889 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 [2023-12-25 22:46:57,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 889 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 22:46:57,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-12-25 22:46:57,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2023-12-25 22:46:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 1.6467391304347827) internal successors, (303), 184 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 22:46:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 303 transitions. [2023-12-25 22:46:57,895 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 303 transitions. Word has length 74 [2023-12-25 22:46:57,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:46:57,895 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 303 transitions. [2023-12-25 22:46:57,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2023-12-25 22:46:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 303 transitions. [2023-12-25 22:46:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-25 22:46:57,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:46:57,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:46:57,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-25 22:46:57,898 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:46:57,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:46:57,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1006079539, now seen corresponding path program 1 times [2023-12-25 22:46:57,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:46:57,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289245620] [2023-12-25 22:46:57,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:46:57,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:46:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:46:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:46:58,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:46:58,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289245620] [2023-12-25 22:46:58,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289245620] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:46:58,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:46:58,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 22:46:58,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480275762] [2023-12-25 22:46:58,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:46:58,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 22:46:58,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:46:58,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 22:46:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 22:46:58,239 INFO L87 Difference]: Start difference. First operand 185 states and 303 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2023-12-25 22:46:58,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:46:58,272 INFO L93 Difference]: Finished difference Result 324 states and 529 transitions. [2023-12-25 22:46:58,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 22:46:58,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 75 [2023-12-25 22:46:58,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:46:58,275 INFO L225 Difference]: With dead ends: 324 [2023-12-25 22:46:58,275 INFO L226 Difference]: Without dead ends: 188 [2023-12-25 22:46:58,276 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 [2023-12-25 22:46:58,277 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 1 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 887 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 [2023-12-25 22:46:58,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 887 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 22:46:58,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-25 22:46:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 187. [2023-12-25 22:46:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.6397849462365592) internal successors, (305), 186 states have internal predecessors, (305), 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) [2023-12-25 22:46:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 305 transitions. [2023-12-25 22:46:58,289 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 305 transitions. Word has length 75 [2023-12-25 22:46:58,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:46:58,289 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 305 transitions. [2023-12-25 22:46:58,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2023-12-25 22:46:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 305 transitions. [2023-12-25 22:46:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-25 22:46:58,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:46:58,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:46:58,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-25 22:46:58,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:46:58,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:46:58,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1606697343, now seen corresponding path program 1 times [2023-12-25 22:46:58,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:46:58,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196452334] [2023-12-25 22:46:58,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:46:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:46:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:46:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:46:59,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:46:59,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196452334] [2023-12-25 22:46:59,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196452334] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:46:59,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:46:59,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 22:46:59,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084964569] [2023-12-25 22:46:59,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:46:59,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 22:46:59,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:46:59,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 22:46:59,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-25 22:46:59,943 INFO L87 Difference]: Start difference. First operand 187 states and 305 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 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) [2023-12-25 22:47:03,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-25 22:47:04,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:04,733 INFO L93 Difference]: Finished difference Result 984 states and 1595 transitions. [2023-12-25 22:47:04,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-25 22:47:04,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 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 76 [2023-12-25 22:47:04,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:04,739 INFO L225 Difference]: With dead ends: 984 [2023-12-25 22:47:04,739 INFO L226 Difference]: Without dead ends: 846 [2023-12-25 22:47:04,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2023-12-25 22:47:04,741 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 1953 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1953 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:04,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1953 Valid, 2646 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-25 22:47:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2023-12-25 22:47:04,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 211. [2023-12-25 22:47:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.6333333333333333) internal successors, (343), 210 states have internal predecessors, (343), 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) [2023-12-25 22:47:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 343 transitions. [2023-12-25 22:47:04,774 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 343 transitions. Word has length 76 [2023-12-25 22:47:04,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:04,775 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 343 transitions. [2023-12-25 22:47:04,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 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) [2023-12-25 22:47:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 343 transitions. [2023-12-25 22:47:04,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-25 22:47:04,776 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:04,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:04,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-25 22:47:04,777 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:04,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:04,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1875801333, now seen corresponding path program 1 times [2023-12-25 22:47:04,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:04,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106416699] [2023-12-25 22:47:04,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:04,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:05,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:05,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106416699] [2023-12-25 22:47:05,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106416699] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:05,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:05,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 22:47:05,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62396486] [2023-12-25 22:47:05,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:05,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 22:47:05,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:05,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 22:47:05,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-25 22:47:05,440 INFO L87 Difference]: Start difference. First operand 211 states and 343 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 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) [2023-12-25 22:47:07,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:07,153 INFO L93 Difference]: Finished difference Result 625 states and 1014 transitions. [2023-12-25 22:47:07,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 22:47:07,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2023-12-25 22:47:07,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:07,156 INFO L225 Difference]: With dead ends: 625 [2023-12-25 22:47:07,156 INFO L226 Difference]: Without dead ends: 485 [2023-12-25 22:47:07,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2023-12-25 22:47:07,158 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 1990 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:07,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 1832 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-25 22:47:07,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2023-12-25 22:47:07,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 213. [2023-12-25 22:47:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.6273584905660377) internal successors, (345), 212 states have internal predecessors, (345), 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) [2023-12-25 22:47:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 345 transitions. [2023-12-25 22:47:07,174 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 345 transitions. Word has length 77 [2023-12-25 22:47:07,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:07,175 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 345 transitions. [2023-12-25 22:47:07,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 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) [2023-12-25 22:47:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 345 transitions. [2023-12-25 22:47:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-25 22:47:07,176 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:07,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:07,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-25 22:47:07,176 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:07,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:07,177 INFO L85 PathProgramCache]: Analyzing trace with hash -138853583, now seen corresponding path program 1 times [2023-12-25 22:47:07,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:07,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866231] [2023-12-25 22:47:07,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:07,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:08,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:08,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866231] [2023-12-25 22:47:08,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866231] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:08,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:08,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 22:47:08,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723702641] [2023-12-25 22:47:08,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:08,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 22:47:08,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:08,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 22:47:08,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-12-25 22:47:08,440 INFO L87 Difference]: Start difference. First operand 213 states and 345 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 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) [2023-12-25 22:47:11,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:11,077 INFO L93 Difference]: Finished difference Result 622 states and 1006 transitions. [2023-12-25 22:47:11,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 22:47:11,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 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 77 [2023-12-25 22:47:11,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:11,083 INFO L225 Difference]: With dead ends: 622 [2023-12-25 22:47:11,083 INFO L226 Difference]: Without dead ends: 482 [2023-12-25 22:47:11,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2023-12-25 22:47:11,084 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 1583 mSDsluCounter, 1707 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:11,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 2021 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-25 22:47:11,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-12-25 22:47:11,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 213. [2023-12-25 22:47:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.6226415094339623) internal successors, (344), 212 states have internal predecessors, (344), 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) [2023-12-25 22:47:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 344 transitions. [2023-12-25 22:47:11,093 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 344 transitions. Word has length 77 [2023-12-25 22:47:11,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:11,093 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 344 transitions. [2023-12-25 22:47:11,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 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) [2023-12-25 22:47:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 344 transitions. [2023-12-25 22:47:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-25 22:47:11,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:11,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:11,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-25 22:47:11,101 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:11,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:11,102 INFO L85 PathProgramCache]: Analyzing trace with hash -648326673, now seen corresponding path program 1 times [2023-12-25 22:47:11,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:11,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612751169] [2023-12-25 22:47:11,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:11,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:11,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:11,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612751169] [2023-12-25 22:47:11,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612751169] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:11,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:11,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 22:47:11,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896819380] [2023-12-25 22:47:11,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:11,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 22:47:11,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:11,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 22:47:11,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 22:47:11,540 INFO L87 Difference]: Start difference. First operand 213 states and 344 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2023-12-25 22:47:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:11,562 INFO L93 Difference]: Finished difference Result 488 states and 789 transitions. [2023-12-25 22:47:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 22:47:11,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 77 [2023-12-25 22:47:11,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:11,564 INFO L225 Difference]: With dead ends: 488 [2023-12-25 22:47:11,565 INFO L226 Difference]: Without dead ends: 345 [2023-12-25 22:47:11,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 22:47:11,571 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 433 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:11,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 876 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 22:47:11,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-12-25 22:47:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 208. [2023-12-25 22:47:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 1.6280193236714975) internal successors, (337), 207 states have internal predecessors, (337), 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) [2023-12-25 22:47:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 337 transitions. [2023-12-25 22:47:11,586 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 337 transitions. Word has length 77 [2023-12-25 22:47:11,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:11,592 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 337 transitions. [2023-12-25 22:47:11,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2023-12-25 22:47:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 337 transitions. [2023-12-25 22:47:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-25 22:47:11,594 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:11,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:11,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-25 22:47:11,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:11,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:11,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1674343977, now seen corresponding path program 1 times [2023-12-25 22:47:11,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:11,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884964612] [2023-12-25 22:47:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:11,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:12,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:12,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884964612] [2023-12-25 22:47:12,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884964612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:12,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:12,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 22:47:12,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491355407] [2023-12-25 22:47:12,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:12,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 22:47:12,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:12,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 22:47:12,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-25 22:47:12,302 INFO L87 Difference]: Start difference. First operand 208 states and 337 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 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) [2023-12-25 22:47:15,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:15,738 INFO L93 Difference]: Finished difference Result 621 states and 1003 transitions. [2023-12-25 22:47:15,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 22:47:15,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 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 77 [2023-12-25 22:47:15,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:15,741 INFO L225 Difference]: With dead ends: 621 [2023-12-25 22:47:15,741 INFO L226 Difference]: Without dead ends: 483 [2023-12-25 22:47:15,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2023-12-25 22:47:15,742 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 1356 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 3089 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:15,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 3089 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-25 22:47:15,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-12-25 22:47:15,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 213. [2023-12-25 22:47:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.6179245283018868) internal successors, (343), 212 states have internal predecessors, (343), 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) [2023-12-25 22:47:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 343 transitions. [2023-12-25 22:47:15,751 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 343 transitions. Word has length 77 [2023-12-25 22:47:15,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:15,752 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 343 transitions. [2023-12-25 22:47:15,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 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) [2023-12-25 22:47:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 343 transitions. [2023-12-25 22:47:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-25 22:47:15,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:15,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:15,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-25 22:47:15,753 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:15,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:15,754 INFO L85 PathProgramCache]: Analyzing trace with hash 322120309, now seen corresponding path program 1 times [2023-12-25 22:47:15,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:15,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016067531] [2023-12-25 22:47:15,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:15,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:16,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:16,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016067531] [2023-12-25 22:47:16,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016067531] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:16,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:16,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 22:47:16,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807561878] [2023-12-25 22:47:16,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:16,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 22:47:16,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:16,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 22:47:16,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-25 22:47:16,225 INFO L87 Difference]: Start difference. First operand 213 states and 343 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 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) [2023-12-25 22:47:20,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:20,461 INFO L93 Difference]: Finished difference Result 623 states and 1004 transitions. [2023-12-25 22:47:20,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 22:47:20,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 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 78 [2023-12-25 22:47:20,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:20,463 INFO L225 Difference]: With dead ends: 623 [2023-12-25 22:47:20,463 INFO L226 Difference]: Without dead ends: 483 [2023-12-25 22:47:20,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-12-25 22:47:20,464 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 1365 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 2498 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:20,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 2498 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-25 22:47:20,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-12-25 22:47:20,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 213. [2023-12-25 22:47:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.6132075471698113) internal successors, (342), 212 states have internal predecessors, (342), 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) [2023-12-25 22:47:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 342 transitions. [2023-12-25 22:47:20,469 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 342 transitions. Word has length 78 [2023-12-25 22:47:20,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:20,469 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 342 transitions. [2023-12-25 22:47:20,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 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) [2023-12-25 22:47:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 342 transitions. [2023-12-25 22:47:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 22:47:20,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:20,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:20,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-25 22:47:20,470 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:20,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:20,471 INFO L85 PathProgramCache]: Analyzing trace with hash 93776433, now seen corresponding path program 1 times [2023-12-25 22:47:20,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:20,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959087547] [2023-12-25 22:47:20,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:20,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:21,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:21,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959087547] [2023-12-25 22:47:21,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959087547] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:21,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:21,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 22:47:21,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583471351] [2023-12-25 22:47:21,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:21,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 22:47:21,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:21,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 22:47:21,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-25 22:47:21,740 INFO L87 Difference]: Start difference. First operand 213 states and 342 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2023-12-25 22:47:24,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-25 22:47:25,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:25,692 INFO L93 Difference]: Finished difference Result 741 states and 1194 transitions. [2023-12-25 22:47:25,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 22:47:25,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2023-12-25 22:47:25,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:25,695 INFO L225 Difference]: With dead ends: 741 [2023-12-25 22:47:25,696 INFO L226 Difference]: Without dead ends: 603 [2023-12-25 22:47:25,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2023-12-25 22:47:25,697 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 1137 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 2844 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:25,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 2844 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-25 22:47:25,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2023-12-25 22:47:25,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 218. [2023-12-25 22:47:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 217 states have (on average 1.608294930875576) internal successors, (349), 217 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 22:47:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 349 transitions. [2023-12-25 22:47:25,706 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 349 transitions. Word has length 79 [2023-12-25 22:47:25,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:25,707 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 349 transitions. [2023-12-25 22:47:25,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2023-12-25 22:47:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 349 transitions. [2023-12-25 22:47:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 22:47:25,707 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:25,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:25,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-25 22:47:25,708 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:25,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:25,708 INFO L85 PathProgramCache]: Analyzing trace with hash 155816047, now seen corresponding path program 1 times [2023-12-25 22:47:25,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:25,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559978019] [2023-12-25 22:47:25,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:26,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:26,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559978019] [2023-12-25 22:47:26,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559978019] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:26,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:26,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 22:47:26,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88522274] [2023-12-25 22:47:26,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:26,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 22:47:26,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:26,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 22:47:26,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 22:47:26,340 INFO L87 Difference]: Start difference. First operand 218 states and 349 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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) [2023-12-25 22:47:28,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:28,022 INFO L93 Difference]: Finished difference Result 495 states and 796 transitions. [2023-12-25 22:47:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 22:47:28,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2023-12-25 22:47:28,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:28,025 INFO L225 Difference]: With dead ends: 495 [2023-12-25 22:47:28,025 INFO L226 Difference]: Without dead ends: 355 [2023-12-25 22:47:28,025 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 [2023-12-25 22:47:28,026 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 722 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:28,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 888 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-25 22:47:28,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-12-25 22:47:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 216. [2023-12-25 22:47:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.6093023255813954) internal successors, (346), 215 states have internal predecessors, (346), 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) [2023-12-25 22:47:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 346 transitions. [2023-12-25 22:47:28,032 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 346 transitions. Word has length 79 [2023-12-25 22:47:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:28,033 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 346 transitions. [2023-12-25 22:47:28,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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) [2023-12-25 22:47:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 346 transitions. [2023-12-25 22:47:28,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 22:47:28,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:28,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:28,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-25 22:47:28,034 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:28,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:28,034 INFO L85 PathProgramCache]: Analyzing trace with hash -470062733, now seen corresponding path program 1 times [2023-12-25 22:47:28,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:28,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142940974] [2023-12-25 22:47:28,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:28,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:28,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:28,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142940974] [2023-12-25 22:47:28,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142940974] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:28,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:28,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 22:47:28,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945391347] [2023-12-25 22:47:28,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:28,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 22:47:28,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:28,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 22:47:28,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-25 22:47:28,501 INFO L87 Difference]: Start difference. First operand 216 states and 346 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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) [2023-12-25 22:47:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:28,927 INFO L93 Difference]: Finished difference Result 781 states and 1253 transitions. [2023-12-25 22:47:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 22:47:28,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 80 [2023-12-25 22:47:28,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:28,930 INFO L225 Difference]: With dead ends: 781 [2023-12-25 22:47:28,930 INFO L226 Difference]: Without dead ends: 643 [2023-12-25 22:47:28,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2023-12-25 22:47:28,931 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 1087 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 2983 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:28,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 2983 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 22:47:28,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2023-12-25 22:47:28,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 223. [2023-12-25 22:47:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 222 states have (on average 1.5990990990990992) internal successors, (355), 222 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 22:47:28,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 355 transitions. [2023-12-25 22:47:28,940 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 355 transitions. Word has length 80 [2023-12-25 22:47:28,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:28,940 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 355 transitions. [2023-12-25 22:47:28,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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) [2023-12-25 22:47:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 355 transitions. [2023-12-25 22:47:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 22:47:28,941 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:28,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:28,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-25 22:47:28,941 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:28,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:28,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1453165301, now seen corresponding path program 1 times [2023-12-25 22:47:28,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:28,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034500349] [2023-12-25 22:47:28,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:28,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:29,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:29,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034500349] [2023-12-25 22:47:29,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034500349] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:29,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:29,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 22:47:29,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42974404] [2023-12-25 22:47:29,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:29,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 22:47:29,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:29,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 22:47:29,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 22:47:29,312 INFO L87 Difference]: Start difference. First operand 223 states and 355 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-25 22:47:29,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:29,333 INFO L93 Difference]: Finished difference Result 503 states and 805 transitions. [2023-12-25 22:47:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 22:47:29,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2023-12-25 22:47:29,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:29,335 INFO L225 Difference]: With dead ends: 503 [2023-12-25 22:47:29,335 INFO L226 Difference]: Without dead ends: 360 [2023-12-25 22:47:29,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 22:47:29,335 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 645 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:29,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 670 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 22:47:29,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-25 22:47:29,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 223. [2023-12-25 22:47:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 222 states have (on average 1.59009009009009) internal successors, (353), 222 states have internal predecessors, (353), 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) [2023-12-25 22:47:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 353 transitions. [2023-12-25 22:47:29,344 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 353 transitions. Word has length 80 [2023-12-25 22:47:29,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:29,344 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 353 transitions. [2023-12-25 22:47:29,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-25 22:47:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 353 transitions. [2023-12-25 22:47:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 22:47:29,345 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:29,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:29,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-25 22:47:29,346 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:29,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:29,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1587178807, now seen corresponding path program 1 times [2023-12-25 22:47:29,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:29,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849120696] [2023-12-25 22:47:29,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:29,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:29,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:29,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849120696] [2023-12-25 22:47:29,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849120696] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:29,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:29,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 22:47:29,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107725946] [2023-12-25 22:47:29,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:29,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 22:47:29,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:29,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 22:47:29,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-25 22:47:29,875 INFO L87 Difference]: Start difference. First operand 223 states and 353 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2023-12-25 22:47:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:30,409 INFO L93 Difference]: Finished difference Result 798 states and 1266 transitions. [2023-12-25 22:47:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-25 22:47:30,409 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 80 [2023-12-25 22:47:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:30,411 INFO L225 Difference]: With dead ends: 798 [2023-12-25 22:47:30,411 INFO L226 Difference]: Without dead ends: 653 [2023-12-25 22:47:30,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2023-12-25 22:47:30,412 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 1497 mSDsluCounter, 2871 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 3202 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:30,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 3202 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 22:47:30,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2023-12-25 22:47:30,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 227. [2023-12-25 22:47:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.584070796460177) internal successors, (358), 226 states have internal predecessors, (358), 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) [2023-12-25 22:47:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 358 transitions. [2023-12-25 22:47:30,422 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 358 transitions. Word has length 80 [2023-12-25 22:47:30,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:30,422 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 358 transitions. [2023-12-25 22:47:30,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2023-12-25 22:47:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 358 transitions. [2023-12-25 22:47:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-25 22:47:30,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:30,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:30,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-25 22:47:30,423 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:30,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:30,424 INFO L85 PathProgramCache]: Analyzing trace with hash -855810165, now seen corresponding path program 1 times [2023-12-25 22:47:30,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:30,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357343795] [2023-12-25 22:47:30,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:30,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:30,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:30,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357343795] [2023-12-25 22:47:30,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357343795] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:30,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:30,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 22:47:30,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178859914] [2023-12-25 22:47:30,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:30,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 22:47:30,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:30,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 22:47:30,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-25 22:47:30,915 INFO L87 Difference]: Start difference. First operand 227 states and 358 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 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) [2023-12-25 22:47:32,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-25 22:47:33,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:33,438 INFO L93 Difference]: Finished difference Result 785 states and 1242 transitions. [2023-12-25 22:47:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 22:47:33,439 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 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 81 [2023-12-25 22:47:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:33,441 INFO L225 Difference]: With dead ends: 785 [2023-12-25 22:47:33,441 INFO L226 Difference]: Without dead ends: 636 [2023-12-25 22:47:33,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2023-12-25 22:47:33,442 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1297 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:33,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 2849 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-25 22:47:33,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2023-12-25 22:47:33,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 236. [2023-12-25 22:47:33,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.574468085106383) internal successors, (370), 235 states have internal predecessors, (370), 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) [2023-12-25 22:47:33,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 370 transitions. [2023-12-25 22:47:33,451 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 370 transitions. Word has length 81 [2023-12-25 22:47:33,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:33,451 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 370 transitions. [2023-12-25 22:47:33,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 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) [2023-12-25 22:47:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 370 transitions. [2023-12-25 22:47:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-25 22:47:33,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:33,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:33,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-25 22:47:33,452 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:33,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:33,452 INFO L85 PathProgramCache]: Analyzing trace with hash -636955447, now seen corresponding path program 1 times [2023-12-25 22:47:33,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:33,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112767507] [2023-12-25 22:47:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:33,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:34,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:34,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112767507] [2023-12-25 22:47:34,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112767507] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:34,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:34,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 22:47:34,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033851035] [2023-12-25 22:47:34,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:34,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 22:47:34,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:34,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 22:47:34,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-25 22:47:34,104 INFO L87 Difference]: Start difference. First operand 236 states and 370 transitions. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2023-12-25 22:47:34,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:34,897 INFO L93 Difference]: Finished difference Result 987 states and 1555 transitions. [2023-12-25 22:47:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-25 22:47:34,897 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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 81 [2023-12-25 22:47:34,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:34,901 INFO L225 Difference]: With dead ends: 987 [2023-12-25 22:47:34,901 INFO L226 Difference]: Without dead ends: 838 [2023-12-25 22:47:34,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=266, Invalid=790, Unknown=0, NotChecked=0, Total=1056 [2023-12-25 22:47:34,903 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 2157 mSDsluCounter, 4156 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2157 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:34,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2157 Valid, 4492 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 22:47:34,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2023-12-25 22:47:34,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 245. [2023-12-25 22:47:34,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 244 states have (on average 1.5614754098360655) internal successors, (381), 244 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 22:47:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 381 transitions. [2023-12-25 22:47:34,916 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 381 transitions. Word has length 81 [2023-12-25 22:47:34,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:34,916 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 381 transitions. [2023-12-25 22:47:34,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2023-12-25 22:47:34,916 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 381 transitions. [2023-12-25 22:47:34,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 22:47:34,917 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:34,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:34,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-25 22:47:34,917 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:34,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:34,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1208534103, now seen corresponding path program 1 times [2023-12-25 22:47:34,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:34,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083316249] [2023-12-25 22:47:34,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:34,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:35,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:35,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083316249] [2023-12-25 22:47:35,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083316249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:35,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:35,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 22:47:35,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732113943] [2023-12-25 22:47:35,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:35,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 22:47:35,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:35,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 22:47:35,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-25 22:47:35,539 INFO L87 Difference]: Start difference. First operand 245 states and 381 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 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) [2023-12-25 22:47:37,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-25 22:47:38,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:38,263 INFO L93 Difference]: Finished difference Result 561 states and 875 transitions. [2023-12-25 22:47:38,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 22:47:38,265 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 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 82 [2023-12-25 22:47:38,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:38,266 INFO L225 Difference]: With dead ends: 561 [2023-12-25 22:47:38,267 INFO L226 Difference]: Without dead ends: 401 [2023-12-25 22:47:38,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-12-25 22:47:38,267 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 933 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 1845 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:38,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 1845 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 22:47:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-12-25 22:47:38,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 245. [2023-12-25 22:47:38,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 244 states have (on average 1.5573770491803278) internal successors, (380), 244 states have internal predecessors, (380), 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) [2023-12-25 22:47:38,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 380 transitions. [2023-12-25 22:47:38,276 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 380 transitions. Word has length 82 [2023-12-25 22:47:38,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:38,276 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 380 transitions. [2023-12-25 22:47:38,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 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) [2023-12-25 22:47:38,276 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 380 transitions. [2023-12-25 22:47:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 22:47:38,277 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:38,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:38,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-25 22:47:38,277 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:38,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:38,278 INFO L85 PathProgramCache]: Analyzing trace with hash 649602701, now seen corresponding path program 1 times [2023-12-25 22:47:38,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:38,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473324030] [2023-12-25 22:47:38,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:38,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:38,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:38,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473324030] [2023-12-25 22:47:38,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473324030] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:38,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:38,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 22:47:38,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591427762] [2023-12-25 22:47:38,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:38,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 22:47:38,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:38,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 22:47:38,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-25 22:47:38,747 INFO L87 Difference]: Start difference. First operand 245 states and 380 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2023-12-25 22:47:39,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:39,128 INFO L93 Difference]: Finished difference Result 885 states and 1382 transitions. [2023-12-25 22:47:39,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 22:47:39,128 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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 82 [2023-12-25 22:47:39,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:39,131 INFO L225 Difference]: With dead ends: 885 [2023-12-25 22:47:39,131 INFO L226 Difference]: Without dead ends: 727 [2023-12-25 22:47:39,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2023-12-25 22:47:39,133 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 1504 mSDsluCounter, 2164 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 2502 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:39,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 2502 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 22:47:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2023-12-25 22:47:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 247. [2023-12-25 22:47:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.556910569105691) internal successors, (383), 246 states have internal predecessors, (383), 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) [2023-12-25 22:47:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 383 transitions. [2023-12-25 22:47:39,143 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 383 transitions. Word has length 82 [2023-12-25 22:47:39,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:39,143 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 383 transitions. [2023-12-25 22:47:39,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2023-12-25 22:47:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 383 transitions. [2023-12-25 22:47:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 22:47:39,144 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:39,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:39,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-25 22:47:39,144 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:39,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:39,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2086889957, now seen corresponding path program 1 times [2023-12-25 22:47:39,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:39,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198069580] [2023-12-25 22:47:39,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:39,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:39,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:39,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198069580] [2023-12-25 22:47:39,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198069580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:39,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:39,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 22:47:39,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076096377] [2023-12-25 22:47:39,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:39,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 22:47:39,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:39,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 22:47:39,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-25 22:47:39,654 INFO L87 Difference]: Start difference. First operand 247 states and 383 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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) [2023-12-25 22:47:44,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:44,881 INFO L93 Difference]: Finished difference Result 841 states and 1315 transitions. [2023-12-25 22:47:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 22:47:44,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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 83 [2023-12-25 22:47:44,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:44,884 INFO L225 Difference]: With dead ends: 841 [2023-12-25 22:47:44,885 INFO L226 Difference]: Without dead ends: 678 [2023-12-25 22:47:44,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2023-12-25 22:47:44,886 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1096 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 2719 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:44,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 2719 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-25 22:47:44,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-12-25 22:47:44,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 256. [2023-12-25 22:47:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.5529411764705883) internal successors, (396), 255 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 22:47:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 396 transitions. [2023-12-25 22:47:44,895 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 396 transitions. Word has length 83 [2023-12-25 22:47:44,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:44,896 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 396 transitions. [2023-12-25 22:47:44,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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) [2023-12-25 22:47:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 396 transitions. [2023-12-25 22:47:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 22:47:44,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:44,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:44,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-25 22:47:44,899 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:44,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:44,899 INFO L85 PathProgramCache]: Analyzing trace with hash 92745251, now seen corresponding path program 1 times [2023-12-25 22:47:44,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:44,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940830046] [2023-12-25 22:47:44,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:44,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:45,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:45,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940830046] [2023-12-25 22:47:45,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940830046] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:45,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:45,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-25 22:47:45,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198435219] [2023-12-25 22:47:45,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:45,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 22:47:45,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:45,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 22:47:45,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-25 22:47:45,567 INFO L87 Difference]: Start difference. First operand 256 states and 396 transitions. Second operand has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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) [2023-12-25 22:47:48,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:48,384 INFO L93 Difference]: Finished difference Result 1897 states and 2950 transitions. [2023-12-25 22:47:48,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-12-25 22:47:48,385 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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 83 [2023-12-25 22:47:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:48,390 INFO L225 Difference]: With dead ends: 1897 [2023-12-25 22:47:48,390 INFO L226 Difference]: Without dead ends: 1734 [2023-12-25 22:47:48,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2698 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1333, Invalid=6149, Unknown=0, NotChecked=0, Total=7482 [2023-12-25 22:47:48,394 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 3980 mSDsluCounter, 6028 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3980 SdHoareTripleChecker+Valid, 6542 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:48,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3980 Valid, 6542 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 22:47:48,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2023-12-25 22:47:48,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 276. [2023-12-25 22:47:48,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 275 states have (on average 1.5418181818181818) internal successors, (424), 275 states have internal predecessors, (424), 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) [2023-12-25 22:47:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 424 transitions. [2023-12-25 22:47:48,409 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 424 transitions. Word has length 83 [2023-12-25 22:47:48,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:48,410 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 424 transitions. [2023-12-25 22:47:48,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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) [2023-12-25 22:47:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 424 transitions. [2023-12-25 22:47:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 22:47:48,411 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:48,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:48,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-25 22:47:48,411 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:48,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:48,411 INFO L85 PathProgramCache]: Analyzing trace with hash 515447077, now seen corresponding path program 1 times [2023-12-25 22:47:48,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:48,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082252617] [2023-12-25 22:47:48,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:48,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:48,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:48,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082252617] [2023-12-25 22:47:48,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082252617] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:48,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:48,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 22:47:48,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097447074] [2023-12-25 22:47:48,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:48,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 22:47:48,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:48,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 22:47:48,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 22:47:48,712 INFO L87 Difference]: Start difference. First operand 276 states and 424 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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) [2023-12-25 22:47:48,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:48,737 INFO L93 Difference]: Finished difference Result 626 states and 967 transitions. [2023-12-25 22:47:48,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 22:47:48,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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 83 [2023-12-25 22:47:48,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:48,738 INFO L225 Difference]: With dead ends: 626 [2023-12-25 22:47:48,738 INFO L226 Difference]: Without dead ends: 438 [2023-12-25 22:47:48,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 22:47:48,739 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 428 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:48,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 805 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 22:47:48,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-12-25 22:47:48,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 273. [2023-12-25 22:47:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 272 states have (on average 1.525735294117647) internal successors, (415), 272 states have internal predecessors, (415), 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) [2023-12-25 22:47:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 415 transitions. [2023-12-25 22:47:48,747 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 415 transitions. Word has length 83 [2023-12-25 22:47:48,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:48,748 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 415 transitions. [2023-12-25 22:47:48,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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) [2023-12-25 22:47:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 415 transitions. [2023-12-25 22:47:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 22:47:48,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:48,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:48,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-25 22:47:48,749 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:48,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:48,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1996598211, now seen corresponding path program 1 times [2023-12-25 22:47:48,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:48,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036679686] [2023-12-25 22:47:48,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:48,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:49,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:49,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036679686] [2023-12-25 22:47:49,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036679686] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:49,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:49,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 22:47:49,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497620947] [2023-12-25 22:47:49,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:49,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 22:47:49,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:49,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 22:47:49,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-25 22:47:49,234 INFO L87 Difference]: Start difference. First operand 273 states and 415 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 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) [2023-12-25 22:47:53,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:53,029 INFO L93 Difference]: Finished difference Result 1004 states and 1548 transitions. [2023-12-25 22:47:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 22:47:53,030 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 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 84 [2023-12-25 22:47:53,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:53,032 INFO L225 Difference]: With dead ends: 1004 [2023-12-25 22:47:53,032 INFO L226 Difference]: Without dead ends: 824 [2023-12-25 22:47:53,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2023-12-25 22:47:53,033 INFO L413 NwaCegarLoop]: 478 mSDtfsCounter, 1384 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 2716 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:53,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 2716 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-25 22:47:53,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2023-12-25 22:47:53,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 281. [2023-12-25 22:47:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.525) internal successors, (427), 280 states have internal predecessors, (427), 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) [2023-12-25 22:47:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 427 transitions. [2023-12-25 22:47:53,044 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 427 transitions. Word has length 84 [2023-12-25 22:47:53,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:53,044 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 427 transitions. [2023-12-25 22:47:53,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 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) [2023-12-25 22:47:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 427 transitions. [2023-12-25 22:47:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 22:47:53,045 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:53,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:53,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-25 22:47:53,045 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:53,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:53,046 INFO L85 PathProgramCache]: Analyzing trace with hash 985480961, now seen corresponding path program 1 times [2023-12-25 22:47:53,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:53,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218800377] [2023-12-25 22:47:53,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:53,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:53,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:53,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218800377] [2023-12-25 22:47:53,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218800377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:53,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:53,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 22:47:53,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428165900] [2023-12-25 22:47:53,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:53,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 22:47:53,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:53,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 22:47:53,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 22:47:53,406 INFO L87 Difference]: Start difference. First operand 281 states and 427 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2023-12-25 22:47:54,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:47:54,818 INFO L93 Difference]: Finished difference Result 644 states and 981 transitions. [2023-12-25 22:47:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 22:47:54,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 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 84 [2023-12-25 22:47:54,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:47:54,821 INFO L225 Difference]: With dead ends: 644 [2023-12-25 22:47:54,821 INFO L226 Difference]: Without dead ends: 454 [2023-12-25 22:47:54,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-12-25 22:47:54,822 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 920 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-25 22:47:54,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1539 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-25 22:47:54,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-12-25 22:47:54,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 279. [2023-12-25 22:47:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 278 states have (on average 1.5179856115107915) internal successors, (422), 278 states have internal predecessors, (422), 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) [2023-12-25 22:47:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 422 transitions. [2023-12-25 22:47:54,832 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 422 transitions. Word has length 84 [2023-12-25 22:47:54,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:47:54,832 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 422 transitions. [2023-12-25 22:47:54,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2023-12-25 22:47:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 422 transitions. [2023-12-25 22:47:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 22:47:54,833 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:47:54,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:47:54,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-25 22:47:54,833 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:47:54,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:47:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1321132931, now seen corresponding path program 1 times [2023-12-25 22:47:54,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:47:54,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327986151] [2023-12-25 22:47:54,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:47:54,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:47:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:47:55,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:47:55,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:47:55,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327986151] [2023-12-25 22:47:55,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327986151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:47:55,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:47:55,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-25 22:47:55,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319127429] [2023-12-25 22:47:55,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:47:55,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-25 22:47:55,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:47:55,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-25 22:47:55,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2023-12-25 22:47:55,592 INFO L87 Difference]: Start difference. First operand 279 states and 422 transitions. Second operand has 18 states, 18 states have (on average 4.722222222222222) internal successors, (85), 18 states have internal predecessors, (85), 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) [2023-12-25 22:48:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:48:03,383 INFO L93 Difference]: Finished difference Result 3629 states and 5514 transitions. [2023-12-25 22:48:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2023-12-25 22:48:03,384 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.722222222222222) internal successors, (85), 18 states have internal predecessors, (85), 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 85 [2023-12-25 22:48:03,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:48:03,391 INFO L225 Difference]: With dead ends: 3629 [2023-12-25 22:48:03,391 INFO L226 Difference]: Without dead ends: 3449 [2023-12-25 22:48:03,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15068 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=5895, Invalid=29261, Unknown=0, NotChecked=0, Total=35156 [2023-12-25 22:48:03,397 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 6858 mSDsluCounter, 12907 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6858 SdHoareTripleChecker+Valid, 13296 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 22:48:03,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6858 Valid, 13296 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 22:48:03,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states. [2023-12-25 22:48:03,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 297. [2023-12-25 22:48:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.510135135135135) internal successors, (447), 296 states have internal predecessors, (447), 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) [2023-12-25 22:48:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 447 transitions. [2023-12-25 22:48:03,419 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 447 transitions. Word has length 85 [2023-12-25 22:48:03,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:48:03,420 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 447 transitions. [2023-12-25 22:48:03,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.722222222222222) internal successors, (85), 18 states have internal predecessors, (85), 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) [2023-12-25 22:48:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 447 transitions. [2023-12-25 22:48:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 22:48:03,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:48:03,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:48:03,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-25 22:48:03,423 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:48:03,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:48:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1131257635, now seen corresponding path program 1 times [2023-12-25 22:48:03,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:48:03,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88514536] [2023-12-25 22:48:03,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:48:03,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:48:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:48:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:48:04,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:48:04,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88514536] [2023-12-25 22:48:04,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88514536] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:48:04,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:48:04,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-25 22:48:04,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772668340] [2023-12-25 22:48:04,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:48:04,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-25 22:48:04,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:48:04,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-25 22:48:04,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2023-12-25 22:48:04,134 INFO L87 Difference]: Start difference. First operand 297 states and 447 transitions. Second operand has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 17 states have internal predecessors, (86), 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) [2023-12-25 22:48:09,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:48:09,377 INFO L93 Difference]: Finished difference Result 1083 states and 1642 transitions. [2023-12-25 22:48:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-25 22:48:09,377 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 17 states have internal predecessors, (86), 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 86 [2023-12-25 22:48:09,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:48:09,379 INFO L225 Difference]: With dead ends: 1083 [2023-12-25 22:48:09,379 INFO L226 Difference]: Without dead ends: 885 [2023-12-25 22:48:09,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=272, Invalid=988, Unknown=0, NotChecked=0, Total=1260 [2023-12-25 22:48:09,381 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 3656 mSDsluCounter, 4391 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3656 SdHoareTripleChecker+Valid, 4715 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 22:48:09,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3656 Valid, 4715 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 22:48:09,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2023-12-25 22:48:09,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 300. [2023-12-25 22:48:09,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.5050167224080269) internal successors, (450), 299 states have internal predecessors, (450), 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) [2023-12-25 22:48:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 450 transitions. [2023-12-25 22:48:09,392 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 450 transitions. Word has length 86 [2023-12-25 22:48:09,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:48:09,392 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 450 transitions. [2023-12-25 22:48:09,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 17 states have internal predecessors, (86), 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) [2023-12-25 22:48:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 450 transitions. [2023-12-25 22:48:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 22:48:09,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:48:09,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:48:09,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-25 22:48:09,393 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:48:09,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:48:09,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1524284645, now seen corresponding path program 1 times [2023-12-25 22:48:09,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:48:09,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340703754] [2023-12-25 22:48:09,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:48:09,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:48:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 22:48:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 22:48:09,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 22:48:09,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340703754] [2023-12-25 22:48:09,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340703754] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 22:48:09,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 22:48:09,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 22:48:09,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526899727] [2023-12-25 22:48:09,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 22:48:09,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 22:48:09,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 22:48:09,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 22:48:09,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 22:48:09,760 INFO L87 Difference]: Start difference. First operand 300 states and 450 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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) [2023-12-25 22:48:12,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 22:48:12,442 INFO L93 Difference]: Finished difference Result 692 states and 1047 transitions. [2023-12-25 22:48:12,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 22:48:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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 86 [2023-12-25 22:48:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 22:48:12,444 INFO L225 Difference]: With dead ends: 692 [2023-12-25 22:48:12,444 INFO L226 Difference]: Without dead ends: 491 [2023-12-25 22:48:12,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-12-25 22:48:12,445 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 916 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 22:48:12,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 1554 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 22:48:12,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2023-12-25 22:48:12,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 297. [2023-12-25 22:48:12,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.5033783783783783) internal successors, (445), 296 states have internal predecessors, (445), 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) [2023-12-25 22:48:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 445 transitions. [2023-12-25 22:48:12,458 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 445 transitions. Word has length 86 [2023-12-25 22:48:12,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 22:48:12,458 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 445 transitions. [2023-12-25 22:48:12,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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) [2023-12-25 22:48:12,458 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 445 transitions. [2023-12-25 22:48:12,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 22:48:12,459 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 22:48:12,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:48:12,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-25 22:48:12,459 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 22:48:12,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 22:48:12,459 INFO L85 PathProgramCache]: Analyzing trace with hash -908051047, now seen corresponding path program 1 times [2023-12-25 22:48:12,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 22:48:12,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333531891] [2023-12-25 22:48:12,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 22:48:12,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 22:48:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-25 22:48:12,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-25 22:48:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-25 22:48:12,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-25 22:48:12,622 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-25 22:48:12,622 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 22:48:12,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-25 22:48:12,627 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 22:48:12,630 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 22:48:12,721 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-25 22:48:12,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 10:48:12 BoogieIcfgContainer [2023-12-25 22:48:12,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 22:48:12,751 INFO L158 Benchmark]: Toolchain (without parser) took 78400.55ms. Allocated memory was 183.5MB in the beginning and 398.5MB in the end (delta: 215.0MB). Free memory was 135.7MB in the beginning and 308.1MB in the end (delta: -172.4MB). Peak memory consumption was 246.9MB. Max. memory is 8.0GB. [2023-12-25 22:48:12,752 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 22:48:12,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.71ms. Allocated memory is still 183.5MB. Free memory was 135.4MB in the beginning and 149.5MB in the end (delta: -14.1MB). Peak memory consumption was 46.0MB. Max. memory is 8.0GB. [2023-12-25 22:48:12,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.65ms. Allocated memory is still 183.5MB. Free memory was 149.5MB in the beginning and 121.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-25 22:48:12,753 INFO L158 Benchmark]: Boogie Preprocessor took 206.78ms. Allocated memory is still 183.5MB. Free memory was 121.2MB in the beginning and 100.8MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-25 22:48:12,755 INFO L158 Benchmark]: RCFGBuilder took 1592.62ms. Allocated memory was 183.5MB in the beginning and 247.5MB in the end (delta: 64.0MB). Free memory was 100.8MB in the beginning and 157.6MB in the end (delta: -56.8MB). Peak memory consumption was 79.0MB. Max. memory is 8.0GB. [2023-12-25 22:48:12,755 INFO L158 Benchmark]: TraceAbstraction took 75853.33ms. Allocated memory was 247.5MB in the beginning and 398.5MB in the end (delta: 151.0MB). Free memory was 157.1MB in the beginning and 308.1MB in the end (delta: -151.0MB). Peak memory consumption was 202.7MB. Max. memory is 8.0GB. [2023-12-25 22:48:12,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 595.71ms. Allocated memory is still 183.5MB. Free memory was 135.4MB in the beginning and 149.5MB in the end (delta: -14.1MB). Peak memory consumption was 46.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 146.65ms. Allocated memory is still 183.5MB. Free memory was 149.5MB in the beginning and 121.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 206.78ms. Allocated memory is still 183.5MB. Free memory was 121.2MB in the beginning and 100.8MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * RCFGBuilder took 1592.62ms. Allocated memory was 183.5MB in the beginning and 247.5MB in the end (delta: 64.0MB). Free memory was 100.8MB in the beginning and 157.6MB in the end (delta: -56.8MB). Peak memory consumption was 79.0MB. Max. memory is 8.0GB. * TraceAbstraction took 75853.33ms. Allocated memory was 247.5MB in the beginning and 398.5MB in the end (delta: 151.0MB). Free memory was 157.1MB in the beginning and 308.1MB in the end (delta: -151.0MB). Peak memory consumption was 202.7MB. 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 bitwiseAnd at line 191. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L35] const SORT_1 var_11 = 0; [L36] const SORT_5 var_45 = 1; [L37] const SORT_1 var_49 = 1; [L38] const SORT_5 var_60 = 0; [L39] const SORT_3 var_81 = 0; [L40] const SORT_3 var_90 = 1; [L41] const SORT_3 var_99 = 2; [L42] const SORT_3 var_108 = 3; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_5 input_6; [L47] SORT_1 input_7; [L48] SORT_3 input_8; [L49] SORT_3 input_9; [L50] SORT_5 input_10; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L52] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L53] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L54] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L55] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L56] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L57] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L58] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L59] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, state_56=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L60] SORT_5 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L61] SORT_5 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_61=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L62] SORT_5 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_61=0, state_63=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L63] SORT_5 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_61=0, state_63=0, state_65=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L64] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_61=0, state_63=0, state_65=0, state_68=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L65] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L66] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L67] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 init_13_arg_1 = var_11; [L70] state_12 = init_13_arg_1 [L71] SORT_1 init_16_arg_1 = var_11; [L72] state_15 = init_16_arg_1 [L73] SORT_1 init_21_arg_1 = var_11; [L74] state_20 = init_21_arg_1 [L75] SORT_1 init_27_arg_1 = var_11; [L76] state_26 = init_27_arg_1 [L77] SORT_1 init_51_arg_1 = var_49; [L78] state_50 = init_51_arg_1 [L79] SORT_1 init_53_arg_1 = var_11; [L80] state_52 = init_53_arg_1 [L81] SORT_1 init_55_arg_1 = var_11; [L82] state_54 = init_55_arg_1 [L83] SORT_1 init_57_arg_1 = var_11; [L84] state_56 = init_57_arg_1 [L85] SORT_5 init_59_arg_1 = var_45; [L86] state_58 = init_59_arg_1 [L87] SORT_5 init_62_arg_1 = var_60; [L88] state_61 = init_62_arg_1 [L89] SORT_5 init_64_arg_1 = var_60; [L90] state_63 = init_64_arg_1 [L91] SORT_5 init_66_arg_1 = var_60; [L92] state_65 = init_66_arg_1 [L93] SORT_1 init_69_arg_1 = var_11; [L94] state_68 = init_69_arg_1 [L95] SORT_1 init_71_arg_1 = var_11; [L96] state_70 = init_71_arg_1 [L97] SORT_1 init_73_arg_1 = var_11; [L98] state_72 = init_73_arg_1 [L99] SORT_1 init_75_arg_1 = var_11; [L100] state_74 = init_75_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L103] input_2 = __VERIFIER_nondet_uchar() [L104] EXPR input_2 & mask_SORT_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_2=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L104] input_2 = input_2 & mask_SORT_1 [L105] input_4 = __VERIFIER_nondet_uchar() [L106] EXPR input_4 & mask_SORT_3 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_2=0, input_4=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L106] input_4 = input_4 & mask_SORT_3 [L107] input_6 = __VERIFIER_nondet_uchar() [L108] input_7 = __VERIFIER_nondet_uchar() [L109] EXPR input_7 & mask_SORT_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_2=0, input_4=0, input_7=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L109] input_7 = input_7 & mask_SORT_1 [L110] input_8 = __VERIFIER_nondet_uchar() [L111] EXPR input_8 & mask_SORT_3 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_2=0, input_4=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L111] input_8 = input_8 & mask_SORT_3 [L112] input_9 = __VERIFIER_nondet_uchar() [L113] EXPR input_9 & mask_SORT_3 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L113] input_9 = input_9 & mask_SORT_3 [L114] input_10 = __VERIFIER_nondet_uchar() [L115] EXPR input_10 & mask_SORT_5 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L115] input_10 = input_10 & mask_SORT_5 [L118] SORT_1 var_14_arg_0 = state_12; [L119] SORT_1 var_14_arg_1 = var_11; [L120] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L121] SORT_1 var_17_arg_0 = state_12; [L122] SORT_1 var_17_arg_1 = state_15; [L123] SORT_5 var_17 = var_17_arg_0 != var_17_arg_1; [L124] SORT_5 var_18_arg_0 = var_14; [L125] SORT_5 var_18_arg_1 = var_17; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=1, var_18_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L126] EXPR var_18_arg_0 | var_18_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=1, var_18_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L126] SORT_5 var_18 = var_18_arg_0 | var_18_arg_1; [L127] SORT_1 var_19_arg_0 = state_12; [L128] SORT_1 var_19_arg_1 = var_11; [L129] SORT_5 var_19 = var_19_arg_0 == var_19_arg_1; [L130] SORT_1 var_22_arg_0 = state_12; [L131] SORT_1 var_22_arg_1 = state_20; [L132] SORT_5 var_22 = var_22_arg_0 != var_22_arg_1; [L133] SORT_5 var_23_arg_0 = var_19; [L134] SORT_5 var_23_arg_1 = var_22; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23_arg_0=1, var_23_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L135] EXPR var_23_arg_0 | var_23_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23_arg_0=1, var_23_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L135] SORT_5 var_23 = var_23_arg_0 | var_23_arg_1; [L136] SORT_5 var_24_arg_0 = var_18; [L137] SORT_5 var_24_arg_1 = var_23; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24_arg_0=1, var_24_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L138] EXPR var_24_arg_0 & var_24_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24_arg_0=1, var_24_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L138] SORT_5 var_24 = var_24_arg_0 & var_24_arg_1; [L139] SORT_1 var_25_arg_0 = state_12; [L140] SORT_1 var_25_arg_1 = var_11; [L141] SORT_5 var_25 = var_25_arg_0 == var_25_arg_1; [L142] SORT_1 var_28_arg_0 = state_12; [L143] SORT_1 var_28_arg_1 = state_26; [L144] SORT_5 var_28 = var_28_arg_0 != var_28_arg_1; [L145] SORT_5 var_29_arg_0 = var_25; [L146] SORT_5 var_29_arg_1 = var_28; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29_arg_0=1, var_29_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L147] EXPR var_29_arg_0 | var_29_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29_arg_0=1, var_29_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L147] SORT_5 var_29 = var_29_arg_0 | var_29_arg_1; [L148] SORT_5 var_30_arg_0 = var_24; [L149] SORT_5 var_30_arg_1 = var_29; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L150] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L150] SORT_5 var_30 = var_30_arg_0 & var_30_arg_1; [L151] SORT_1 var_31_arg_0 = state_15; [L152] SORT_1 var_31_arg_1 = var_11; [L153] SORT_5 var_31 = var_31_arg_0 == var_31_arg_1; [L154] SORT_1 var_32_arg_0 = state_15; [L155] SORT_1 var_32_arg_1 = state_20; [L156] SORT_5 var_32 = var_32_arg_0 != var_32_arg_1; [L157] SORT_5 var_33_arg_0 = var_31; [L158] SORT_5 var_33_arg_1 = var_32; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33_arg_0=1, var_33_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L159] EXPR var_33_arg_0 | var_33_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33_arg_0=1, var_33_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L159] SORT_5 var_33 = var_33_arg_0 | var_33_arg_1; [L160] SORT_5 var_34_arg_0 = var_30; [L161] SORT_5 var_34_arg_1 = var_33; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34_arg_0=1, var_34_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L162] EXPR var_34_arg_0 & var_34_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34_arg_0=1, var_34_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L162] SORT_5 var_34 = var_34_arg_0 & var_34_arg_1; [L163] SORT_1 var_35_arg_0 = state_15; [L164] SORT_1 var_35_arg_1 = var_11; [L165] SORT_5 var_35 = var_35_arg_0 == var_35_arg_1; [L166] SORT_1 var_36_arg_0 = state_15; [L167] SORT_1 var_36_arg_1 = state_26; [L168] SORT_5 var_36 = var_36_arg_0 != var_36_arg_1; [L169] SORT_5 var_37_arg_0 = var_35; [L170] SORT_5 var_37_arg_1 = var_36; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37_arg_0=1, var_37_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L171] EXPR var_37_arg_0 | var_37_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37_arg_0=1, var_37_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L171] SORT_5 var_37 = var_37_arg_0 | var_37_arg_1; [L172] SORT_5 var_38_arg_0 = var_34; [L173] SORT_5 var_38_arg_1 = var_37; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38_arg_0=1, var_38_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L174] EXPR var_38_arg_0 & var_38_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38_arg_0=1, var_38_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L174] SORT_5 var_38 = var_38_arg_0 & var_38_arg_1; [L175] SORT_1 var_39_arg_0 = state_20; [L176] SORT_1 var_39_arg_1 = var_11; [L177] SORT_5 var_39 = var_39_arg_0 == var_39_arg_1; [L178] SORT_1 var_40_arg_0 = state_20; [L179] SORT_1 var_40_arg_1 = state_26; [L180] SORT_5 var_40 = var_40_arg_0 != var_40_arg_1; [L181] SORT_5 var_41_arg_0 = var_39; [L182] SORT_5 var_41_arg_1 = var_40; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=1, var_38_arg_0=1, var_38_arg_1=1, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41_arg_0=1, var_41_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L183] EXPR var_41_arg_0 | var_41_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=1, var_38_arg_0=1, var_38_arg_1=1, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41_arg_0=1, var_41_arg_1=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L183] SORT_5 var_41 = var_41_arg_0 | var_41_arg_1; [L184] SORT_5 var_42_arg_0 = var_38; [L185] SORT_5 var_42_arg_1 = var_41; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=1, var_38_arg_0=1, var_38_arg_1=1, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=1, var_41_arg_0=1, var_41_arg_1=0, var_42_arg_0=1, var_42_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L186] EXPR var_42_arg_0 & var_42_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=1, var_38_arg_0=1, var_38_arg_1=1, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=1, var_41_arg_0=1, var_41_arg_1=0, var_42_arg_0=1, var_42_arg_1=1, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L186] SORT_5 var_42 = var_42_arg_0 & var_42_arg_1; [L187] SORT_5 var_46_arg_0 = var_42; [L188] SORT_5 var_46 = ~var_46_arg_0; [L189] SORT_5 var_47_arg_0 = var_45; [L190] SORT_5 var_47_arg_1 = var_46; VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=1, var_38_arg_0=1, var_38_arg_1=1, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=1, var_41_arg_0=1, var_41_arg_1=0, var_42=1, var_42_arg_0=1, var_42_arg_1=1, var_45=1, var_46=254, var_46_arg_0=1, var_47_arg_0=1, var_47_arg_1=254, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L191] EXPR var_47_arg_0 & var_47_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=1, var_38_arg_0=1, var_38_arg_1=1, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=1, var_41_arg_0=1, var_41_arg_1=0, var_42=1, var_42_arg_0=1, var_42_arg_1=1, var_45=1, var_46=254, var_46_arg_0=1, var_47_arg_0=1, var_47_arg_1=254, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L191] SORT_5 var_47 = var_47_arg_0 & var_47_arg_1; [L192] EXPR var_47 & mask_SORT_5 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, input_10=0, input_2=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=1, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=1, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=1, var_33_arg_0=1, var_33_arg_1=0, var_34=1, var_34_arg_0=1, var_34_arg_1=1, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=1, var_38_arg_0=1, var_38_arg_1=1, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=1, var_41_arg_0=1, var_41_arg_1=0, var_42=1, var_42_arg_0=1, var_42_arg_1=1, var_45=1, var_46=254, var_46_arg_0=1, var_47=1, var_47_arg_0=1, var_47_arg_1=254, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L192] var_47 = var_47 & mask_SORT_5 [L193] SORT_5 bad_48_arg_0 = var_47; [L194] CALL __VERIFIER_assert(!(bad_48_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, 185 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.7s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 59.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38899 SdHoareTripleChecker+Valid, 45.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38899 mSDsluCounter, 70899 SdHoareTripleChecker+Invalid, 44.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61302 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4952 IncrementalHoareTripleChecker+Invalid, 4987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 9597 mSDtfsCounter, 4952 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 650 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 566 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18629 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=24, InterpolantAutomatonStates: 500, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 11684 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 2096 NumberOfCodeBlocks, 2096 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1984 ConstructedInterpolants, 0 QuantifiedInterpolants, 7484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 [2023-12-25 22:48:12,791 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...